Here's a simple experiment to improve crop yield based on the concept of photosynthesis:
Choose two groups of identical plants and grow them under identical conditions (same soil, water, and light).
In one group, add a small amount of fertilizer to the soil. Fertilizers can provide essential nutrients for plants, which can help improve the process of photosynthesis and increase crop yield.In the other group, place a reflective surface, such as a mirror, near the plants to reflect more light onto them. More light can also help increase the rate of photosynthesis, which can lead to a higher crop yield.Monitor both groups of plants for several weeks and record their growth, height, and number of leaves.At the end of the experiment, measure the crop yield from both groups of plants and compare the results. The group with the higher yield can be considered the more successful one.This experiment can help determine the impact of fertilizers and reflective surfaces on the growth and yield of plants, by focusing on the process of photosynthesis. It is important to control all other variables, such as temperature and water, to ensure that any differences in crop yield are due to the specific variables being tested.
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Here's a simple experiment to improve crop yield based on the concept of photosynthesis:
Choose two groups of identical plants and grow them under identical conditions (same soil, water, and light).
In one group, add a small amount of fertilizer to the soil. Fertilizers can provide essential nutrients for plants, which can help improve the process of photosynthesis and increase crop yield.In the other group, place a reflective surface, such as a mirror, near the plants to reflect more light onto them. More light can also help increase the rate of photosynthesis, which can lead to a higher crop yield.Monitor both groups of plants for several weeks and record their growth, height, and number of leaves.At the end of the experiment, measure the crop yield from both groups of plants and compare the results. The group with the higher yield can be considered the more successful one.This experiment can help determine the impact of fertilizers and reflective surfaces on the growth and yield of plants, by focusing on the process of photosynthesis. It is important to control all other variables, such as temperature and water, to ensure that any differences in crop yield are due to the specific variables being tested.
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Which of the following characteristics or properties are SIMILAR between
RNA Transcription and DNA Replication? Select ALL that apply.
Using complementary base pairing to a DNA template
The use of polymerases that add nucleotides in a 5' to 3' direction
Occurs in the nucleus
Copying of both a leading strand and lagging strand
Uses the base pair C-G
Uses the base pair A-U
The requirement that helicase unwinds double-stranded DNA
The use of DNA polymerase
Answer:
The correct characteristics or properties that are SIMILAR between RNA Transcription and DNA Replication are:
Using complementary base pairing to a DNA template
The use of polymerases that add nucleotides in a 5' to 3' direction
The requirement that helicase unwinds double-stranded DNA
The use of DNA polymerase
So, the correct options are:
Using complementary base pairing to a DNA template
The use of polymerases that add nucleotides in a 5' to 3' direction
The requirement that helicase unwinds double-stranded DNA
The use of DNA polymerase
Answer:
The correct characteristics or properties that are SIMILAR between RNA Transcription and DNA Replication are:
Using complementary base pairing to a DNA template
The use of polymerases that add nucleotides in a 5' to 3' direction
The requirement that helicase unwinds double-stranded DNA
The use of DNA polymerase
So, the correct options are:
Using complementary base pairing to a DNA template
The use of polymerases that add nucleotides in a 5' to 3' direction
The requirement that helicase unwinds double-stranded DNA
The use of DNA polymerase
difference between left and right lungs
Answer:
The left and right lungs are two separate organs located in the chest cavity of the human body. While they have similar functions, there are some differences between them:
Size: The right lung is larger and has three lobes, while the left lung is smaller and has only two lobes. This is due to the position of the heart, which is located more towards the left side of the chest, leaving less space for the left lung.Shape: The left lung is more narrow and elongated than the right lung, which is shorter and broader. This is due to the position of the heart, which pushes the left lung upwards.Number of bronchi: Each lung has a bronchus, which is a tube that carries air to and from the lungs. The right lung has a larger and more vertical bronchus than the left lung, which has a smaller and more horizontal bronchus.Number of pulmonary vessels: The right lung has more pulmonary vessels than the left lung, which is due to the fact that the right side of the heart pumps blood to the lungs for oxygenation.Overall, while the left and right lungs have similar functions, their size, shape, and number of bronchi and pulmonary vessels differ, reflecting their unique positions within the chest cavity and the needs of the body.
Someone please help me, it's due today!
The possible phenotypes and genotypes are given below:
phenotype - no tongue roller, four tongue rollers
genotypes - RR, Rr, Rr, Rr
What are genotypes and phenotypes?The genetic information or the genes that are passed down through generations is referred to as the genotype, and an organism's observable qualities or characteristics are referred to as its phenotype.
The possible phenotypes and genotypes of the cross are determined as given below:
The genotype of the parents = RR and Rr
Crios = RR x Rr
The genotype of the offspring produced = RR, Rr, Rr, RR
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Cholesterol is a fatty substance associated with
Cholesterol is a fatty substance associated with cardiovascular diseases.
Cholesterol is a fatty molecule whose excess in the human body frequently contributes to the development of cardiovascular disorders such as atherosclerosis, heart disease, and stroke. This occurs when cholesterol builds in the walls of our arteries over time, progressively narrowing them.
As a result, blood flow to organs and tissues throughout the body is decreased. Trans fats enhance your bad cholesterol (LDL) while decreasing your good cholesterol (HDL). These modifications are linked to an increased risk of heart disease.
Cardiovascular disease (CVD) is a broad term for any condition affecting the heart or blood vessels. Blood flow to the heart, brain, and body can be diminished as a result of: A blood clot (thrombosis) is the accumulation of fatty deposits inside an artery, which causes the artery to harden and narrow.
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The complete question is -
Cholesterol is a fatty substance associated with which type of disease?
Remember sexual reproduction includes the union of sperm and during fertilization. Consider the gametes produced via meiosis an image; image that they are all sperm, on the way to fertilize an egg. What is the BEST explanation as to how this enhance genetic variation.
The production of gametes via meiosis, specifically sperm in this case, plays a crucial role in enhancing genetic variation in sexually reproducing organisms.
What is the recombination?The key explanation for this is the process of recombination, also known as crossing over, that occurs during meiosis.
Recombination happens when homologous chromosomes, which are pairs of chromosomes that contain similar genes but may have different alleles (variations of a gene), exchange genetic material. This exchange occurs during the prophase I stage of meiosis, where sections of chromatids from one homologous chromosome are swapped with the corresponding sections of chromatids from the other homologous chromosome. This results in the reshuffling of genetic information between the homologous chromosomes, creating new combinations of alleles in the resulting gametes.
As the sperm cells undergo this process of recombination, they acquire a unique combination of genetic traits that are distinct from both their parental chromosomes. When a sperm fertilizes an egg during sexual reproduction, the resulting zygote inherits this newly generated combination of genetic material from both the sperm and the egg. This introduces genetic diversity into the offspring, as the recombination can produce novel combinations of alleles that were not present in either parent.
In summary, the process of meiosis, specifically recombination and independent assortment, enhances genetic variation by generating unique combinations of alleles in gametes, which are then passed on to offspring during sexual reproduction. This genetic diversity is important for the adaptability and evolution of species, as it allows for a wider range of traits and genetic characteristics to be available for natural selection to act upon.
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2) The allelic frequencies among a population of iguana are shown for three generations. Imagine a change in environmental conditions, from periodic flooding to consistently flooded during the time period. Using the gene pool data, what criteria support the statement in the prompt? Choose ALL that apply.
The criteria support the statement in the prompt would be B, D E
How to get the criteria support the statement in the prompt?B) Initially, there was allelic variation in the iguana population. - This is important because natural selection can only occur when there is variation among individuals in a population.
D) In three generations, the allelic frequencies in the population changed. - This is also important because natural selection involves changes in allele frequencies in a population over time.
E) Iguana that had the ww genotype were more apt to survive in the changing environment. - This statement does not support the prompt because it suggests that individual iguanas with a certain genotype are more likely to survive, which is not the same as saying that natural selection acts on populations rather than individuals.
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Answer:
The Correct answers are A,B,D,E
Explanation:
Trust me, I did the Usa Test prep.
show the base pairing that results in new strands of dna
Answer:
The rules of base pairing (or nucleotide pairing) are:
A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T)
C with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G)
Which Law best applies to REDOX (reduction and oxidation) reactions?
The law of conservation of mass and charge applies to redox reactions that involve the transfer of electrons between chemical species.
Thus, redox reactions are reduction and oxidation reactions that involve the transfer of electrons between chemical species, and the law of conservation of mass states that the mass of the products must be equal to the mass of the reactants.
This law conservation of mass applies to redox reactions as in these reactions, the total number of atoms of each element is conserved as electrons are transferred between the reactants and products.
The law of conservation of charge ensures that the total charge on the reactants and products is balanced as this law ensures that the number of atoms and charges are conserved during the transfer of electrons in redox reactions.
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In which ways might ocean currents be like streams and rivers on land?
In mice, red eyes are dominant over black eyes. Show a cross between two black-eyed mice
P:
Genotype ratio:
Phenotype ratio:
The genotype ratio of the offspring in this cross is 100% "bb". This means that all the offspring would have the same genotype as their parents, as both parents have the homozygous genotype "bb" for black eyes.
To show a cross between two black-eyed mice, we can represent their genotype as "bb" (where "b" represents the allele for black eyes). From the Punnett square, we can see that all the offspring (100%) would have the genotype "bb" and therefore have black eyes, as they have received a "b" allele from each parent.
The phenotype ratio of the offspring would also be 100% black eyes, as the "b" allele is dominant over the "r" allele for red eyes. This means that even if one parent had a "Bb" genotype for black eyes, the offspring would still have black eyes because of the dominance of the "b" allele.
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Which statement about the functioning of the human reproductive system is correct?
Answer: The process of fertilization occurs inside the human female body is the correct statement about the functioning of the human reproductive system.
Explanation: The human reproductive system includes the male reproductive system and the female reproductive sysytem. the external genital organs of both male and female are different in their nature, appearance and internal as well as external functioning. The male and female sexual organs, fluids are all different from each other.
The male reproductive system is responsible for the production and deposition of sperm. Whereas, the female reproductive system is responsible in producing egg cells, and to nourish and protect the fetus until birth.
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When an organism produces feces, there are at least two different ways to understand what the feces represent. One is selfish, the other is less so. Give the understanding of both of these perspectives.
From a selfish perspective, feces can be understood as waste products that an organism needs to eliminate from its body to maintain its own health and well-being. In this view, feces are simply the byproduct of an individual's biological processes, and their elimination is solely for the purpose of keeping the individual healthy and functional.
From a less selfish perspective, feces can be understood as part of a larger ecosystem of organisms and processes. In this view, feces represent a valuable resource that can be recycled and reused by other organisms in the environment. Feces are full of nutrients that can support the growth of plants and other organisms, and their decomposition plays an important role in maintaining the health and balance of ecosystems.
Overall, the less selfish perspective recognizes that all organisms are interconnected and that their actions and processes have consequences for the broader ecosystem. By understanding the value of feces and other waste products as resources rather than simply as waste, we can work to build more sustainable and resilient ecosystems.
To see if baldness in men is caused by a high protein diet, a scientific researcher provides one group of 50 men a diet which includes the normal AMDR range for protein (10-35%). The researchers provide a second group of 50 men with a high protein diet, containing above 50% protein. What is the variable for which this experiment’s results will be based upon?
a.
Whether or not the men develop baldness
b.
The amount of protein in the men’s diets
c.
The age of the men and amount of water they are given to drink
d.
The number of men in each group
how does adding substances to wastewater help engineers get rid of harmful substances
Answer: When chlorine gas or tablets are added to wastewater, the chlorination kills the bacteria, and simple charcoal filters can remove some of the suspended solids, which might often be enough
Explanation:
In an investigation about the roles of visual and auditory cues in mate composition, researchers studied two distinct populations of flycatchers, (Monarcha Castaneiventris), a species of bird that lives in the Solomon Islands.
The researchers studied two distinct populations of flycatchers to investigate the roles of visual and auditory cues in mate composition.
The investigation aimed to study the roles of visual and auditory cues in mate composition in Monarcha Castaneiventris, a species of bird that lives in the Solomon Islands. To conduct the study, the researchers selected two distinct populations of flycatchers to compare the mate selection processes in each population. One population was likely to rely more on visual cues for mate selection, while the other population was likely to rely more on auditory cues.
By comparing the mate selection processes in these two populations, the researchers aimed to determine the relative importance of visual and auditory cues in mate composition. The study could provide insights into the evolution of mate selection processes and the factors that shape them in different populations of the same species.
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19. What's the main sugar that's transported in your blood and used to produce energy?
A. Glucose
B. Fructose
C. Sucrose
D. Maltose
Answer: A. Glucose
Explanation:
Glucose is a simple sugar, also known as a monosaccharide, that is produced by the digestion of carbohydrates in the foods we eat. It is then absorbed into the bloodstream and transported to the cells throughout the body to provide energy for various cellular processes. Glucose is the primary fuel source for the brain, muscles, and other organs in the body.
Could someone help me with this homework question please? I added pictures of it below. There’s no shading, so I’m confused. Any help appreciated. Thanks! :)
What is this asking?
Describe a time when you’ve experienced eustress (the “good” stress) and describe a different time when you’ve experienced distress (the “bad” stress).
Eustress (the “good” stress) is experienced in limited situations such as to escape from predators, while distress (the “bad” stress) is experienced in chronic situations such as a toxic job environment.
What is stress?Stress is a natural response of the body to harmful situations, which is adaptive in evolutionary terms since it allows us to scope from bad situations but it can also be negative when we are exposed to chronic stress such as what occurs in a toxic work environment.
Therefore, with this data, we can see that stress is always good because it is adaptive.
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A mutation in the hemoglobin gene causes sickle-cell hemoglobin. People with sickle-cell hemoglobin are immune to malaria. If a population is exposed to malaria, how will the frequency of the mutated sickle-cell hemoglobin change?
The frequency of the mutated sickle-cell hemoglobin is likely to increase in a population that is exposed to malaria.
This is because individuals who carry one copy of the mutated gene (known as sickle cell trait) are more resistant to malaria, and are therefore more likely to survive and pass on the mutated gene to their offspring.
In areas where malaria is common, natural selection favors individuals who carry the sickle cell trait, as they have a survival advantage over individuals who do not carry the trait. As a result, the frequency of the sickle cell trait tends to be higher in these areas than in populations where malaria is rare or absent.
However, it is important to note that while the sickle cell trait provides some protection against malaria, individuals who inherit two copies of the mutated gene (one from each parent) develop sickle cell disease, which can cause a range of health problems.
Therefore, the relationship between sickle cell hemoglobin and malaria resistance is complex, and the overall impact of the mutation on population health depends on a variety of factors.
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Your friend is standing on the other side of a canyon. If an Echo returns in 0.15 seconds and the temperature is 25°C. How far away is you from your friend?
The distance from you to your friend is approximately 22.5 meters.
The speed of sound at 25°C is about 343 meters per second. The time it takes for the sound to travel to the other side of the canyon and back is 0.15 seconds, so the total distance traveled by the sound is twice the distance between you and your friend. Using the equation distance = speed x time, we can calculate the distance between you and your friend as follows:
distance = speed of sound x time / 2distance = 343 m/s x 0.15 s / 2distance = 22.5 metersTherefore, your friend is approximately 22.5 meters away from you across the canyon.
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Which of the following is a positive effect that technologies like the Internet have had on workers?
Access to knowledge and information is made easier for workers because to technology like the Internet. Workers now find it simpler to conduct research, develop new skills, and keep up with industry trends because to the revolutionary changes the Internet has brought about in information access and sharing.
Because of this, it has become easier for employees to continue their professional growth and learn new things that will improve their job performance and career prospects.
The Internet has also increased chances for freelance work and flexible scheduling. Workers may now work from almost anywhere thanks to the ability to connect and interact online, which eliminates the need for commuting and gives them more flexibility in maintaining work-life balance. Due to this, employees now have greater influence over their schedules and working conditions, which has risen.
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I need help with this table on the the ones i have blank, (also if anything i DID fill in was wrong please correct me)
The following are the correct answers that will go into the table:
Life Forms Era PeriodEarliest fish Paleozoic Ordovician
First multicellular life Precambrian Ediacaran
First reptiles Paleozoic. Carboniferous
First humans Cenozoic Pleistocene
First prokaryotic cells Archean Paleoarchean
Earliest mammals Mesozoic Triassic
First colonization of land Paleozoic ordovician
First amphibians Paleozoic devonian
First eukaryotic cells Proterozoic ediacaran
Earliest flowering plants Mesozoic cretaceous
Earliest dinosaurs Mesozoic Triassic
What you should know about life formsLife forms can be very diverse and include everything from single-celled microorganisms like bacteria to complex multicellular organisms like plants and animals.
Some examples of life forms include humans, dogs, cats, birds, fish, insects, fungi, and algae.
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need answers to 9 and 10
please help!!
Three disadvantages of cloning.
Cloned animals might not live as long as animals that are not clones.Cloning is a complex and expensive process.Cloning can result in a reduction in genetic diversity, which can make a population more susceptible to diseases and environmental changes.What is the process of cloning?The process of cloning is described as follows:
A nucleus and an egg cell come from a body cell of animal A with its nucleus removed comes from animal B.
An enucleated egg cell from animal B is taken and the nucleus is removed.
The nucleus with DNA from animal A is placed in the enucleated egg cell from animal B.
The cell from animal A with its DNA develops into an embryo.
The embryo develops into a baby animal that is a clone of animal A.
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Ex an ice cube is placed in a sealed container and beated until it becomes steam, what will happen to the weight of the ice?
A The weight will stay the same
M
M
R
M
B
The weight will increase when it becomes a liquid and then decrease when it becomes a gas
C The weight will decrease since the liquid will take up less space.
D
The weight will increase since gases do not have mass.
Answer:
B
Explanation:
Because the ice evaporated it's weight has Evaporated also.
2. What did the Watson and Crick double helix model of DNA structure
explain about this molecule.
The Watson and Crick double helix model of DNA structure, proposed in 1953, provided a breakthrough understanding of the molecular structure of DNA, which has profound implications for our understanding of genetics, heredity, and molecular biology.
What is DNA structure?The model explained several key features of DNA:
Double helix structure: The model proposed that DNA consists of two strands that are twisted around each other in a helical fashion, forming a double helix structure. The two strands are held together by hydrogen bonds between complementary nucleotide bases (adenine with thymine, and guanine with cytosine), forming base pairs along the interior of the helix. This explained how DNA can have a stable and structural integrity, while also allowing for the replication and transcription of genetic information.
Complementary base pairing: The model explained how the nucleotide bases in DNA (adenine, thymine, guanine, and cytosine) pair specifically with their complementary bases to form the "rungs" of the DNA ladder. This complementary base pairing mechanism ensures that the genetic information stored in DNA is accurately replicated and transmitted during cell division and protein synthesis.
Antiparallel orientation: The model revealed that the two strands of DNA in the double helix are oriented in an antiparallel manner, meaning they run in opposite directions. This orientation allows for the formation of hydrogen bonds between the complementary base pairs, and it has important implications for DNA replication and transcription processes.
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Which of the following would most likely be a result of converting from solar power as the primary energy source for a home to biomass-produced methane?
A) Greenhouse gas emissions would decrease.
B) More time would be required for maintenance.
C) Power generation would be less consistent.
D) Waste in landfills would be less.
Answer:a
Explanation:it is the BASIC of all greenhouse which mean that if there was less energy source then there will be a lower amount on greenhouse gases
Most likely, switching from solar energy as a home's principal energy source to methane produced from biomass would reduce greenhouse gas emissions. Option A is correct Option.
Which method can speed up the release of greenhouse gases into the atmosphere?Human activity is responsible for majority past 150 years' increase in greenhouse gases in the atmosphere. In the United States, burning fossil fuels for power is the main cause of greenhouse gas emissions resulting from human activity.
What types of human activity cause the emissions of greenhouse gases?Fossil fuel combustion, forest clearing, and livestock grazing all have an increasing effect on the planet's climate and temperature. As a result, the number of greenhouse gases in the atmosphere grows significantly, aggravating the greenhouse effect and global warming.
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What are some big patterns that drive interactions with other organisms? Someone answer this please
Competition, predation, and symbiosis are the three different forms of interactions in an ecosystem. Mutualism, commensalism, and parasitism are only a few of the three interactions that make up symbiosis.
In an ecosystem, what are interactions? In an ecosystem, there are interactions between the various organisms and the environment as well as among the organisms themselves. For the ecosystem's well-being, these interactions are critical. An area's biotic elements and abiotic factors, both of which are living organisms, make up the ecosystem. Autotrophs and heterotrophs are the two categories under which biological components fall. Maintaining the food chain is one of the benefits of biological contact.A food web depicts the symbiotic relationships between living things, and green plants are typically the first component of a food web.For more information on interactions in ecosystem kindly visit to
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Which car is not accelerating? A. Car C is not accelerating because it is traveling in a straight line at a constant speed. O B. Cars A and B are not accelerating because their speed is not changing. C. Car A is not accelerating because it is traveling slowly. O D. Car D is not accelerating because it is slowing down.
B. Cars A and B are not accelerating because their speed is not changing.
What is Acceleration ?Acceleration is defined as a change in an object's velocity, which includes changes in speed or changes in direction.
The formula for acceleration is given by:
Acceleration = (change in velocity) / (change in time)
The SI unit for acceleration is meters per second squared (m/s²).
Acceleration is an important concept in physics and is used to explain a wide range of phenomena, from the motion of objects in everyday life to the behavior of particles in subatomic physics.
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can someone answer this? just click on the picture and look at these two questions please
Answer: Organisms interact with other organisms for a variety of reasons, including:
To obtain food: Many organisms interact with each other to obtain food. Predators hunt and kill prey, herbivores graze on plants, and scavengers feed on the remains of dead organisms.
To reproduce: Sexual reproduction requires interaction between individuals of the same species. Pollination and fertilization are examples of interactions between plants and animals that result in reproduction.
To defend against predators: Many organisms interact with others to defend themselves against predators. Some animals form herds or groups to confuse predators, while others have developed defensive adaptations such as camouflage or poison.
To facilitate survival: Some organisms interact with others to improve their chances of survival. For example, some birds forage together, which increases their chances of finding food and reduces the risk of predation.
To obtain other resources: Organisms may interact with others to obtain resources other than food, such as water, shelter, or nesting sites.
Explanation:
Which of the following illustrates a positive feedback mechanism?
Multiple Choice
Body temperature control.
Uterine contractions during childbirth.
Maintenance of blood pressure.
Control of blood sugar.
Answer:
(b) uterine contractions during childbirth.
Explanation:
increase in uterine contractions when uterine stretching increases during childbirth
Uterine contractions during childbirth
Explanation:
Positive feedback mechanisms amplify or reinforce changes that have occurred in the body rather than counteracting them. In the case of uterine contractions during childbirth, the initial contractions of the uterus cause the release of the hormone oxytocin, which then stimulates further contractions. This positive feedback loop continues until the baby is born.
In contrast, body temperature control, maintenance of blood pressure, and control of blood sugar are all examples of negative feedback mechanisms, which work to maintain a stable internal environment by counteracting changes that occur in the body.
*IG:whis.sama_ent