Answers
In a food chain, organisms are arranged in a linear order from producers to species that degrade.
Plant → grasshopper → bird → snake → owl.
An interconnected system of food chains is known as a food web. As opposed to the food web, which has several pathways, the food chain has just one. We can learn about the connections between creatures by looking at the food chain. Ecosystem components like the food web and food chain are crucial.
Examining the distinctions between a food web and a food chain, let's see what they have in common. A food chain, as defined by science, is a progression that demonstrates how energy moves from one organism to another in a particular order or through time. The energy moves along a certain channel in a community including producers, consumers, and decomposers.
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Related Questions
Why is Mendel's model of genetics not the only model of inheritance?
Answers
Mendel's model of genetics is not the only model of inheritance, because may be another model, was also presented by another scientist.
How is Mendelian inheritance different from Non-Mendelian inheritance?The Mendelian quality is determined by dominant and receding alleles of one gene. On the opposite, non-Mendelian traits are not determined by dominant and relapsing alleles and can be governed by more than one gene. Non-Mendelian inheritance is any design in which traits do not segregate in accordance with Mendel's laws.
The genetic traits that follow the truth of Mendel's law are known as Mendelian inheritance while the genetic traits. Non-Mendelian genetics are inheritance motif that is different from Mendelian inheritance.
So we can conclude that Mendelian inheritance reports the inheritance of phenotypes, determined by only two alleles. One of the two alleles is dominant.
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why could the jaws of athropods be considered modified appendages
Answers
The jaws of arthropods are considered modified appendages because they have evolved into multiple forms adapted to various modes of feeding.
What is the function of appendages in arthropods?Appendages of arthropods are the external features of projections from the head or body segments used for feeding, mobility, piercing, chewing, sucking and admonition. Arthropods have modified jointed paired appendages where their ancestral forms would have had more legs.
Unlike the annelids, arthropods' jointed appendages give them greater flexibility and range of movement. The appendages are found in the mouthparts, antenna, legs. Some of these organisms are crustacean, arachnids, insects, etc.
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4. Show the possible genotypes and phenotypes of the offspring from a cross between a heterozygous male with type A blood and a heterozygous female with type B blood.
Answers
Answer:
A heterozygous male with type A blood IA IO
A heterozygous female with type B blood - IB IO
a cross between a heterozygous male with type A blood and a heterozygous female with type B blood.
Possible parent genotype: IA IO x IB IO
AO X BO
possible offspring genotype: AB AO BO OO
phenotypes: AB blood type (25%), A blood type (25%), B blood type (25%) and O blood type (25%).
Explanation:
Which statement describes meiosis?
Answers
Meiosis results in haploid cells.
Meiosis is a type of cell division that occurs in sexually reproducing organisms and results in a reduction in the number of chromosomes in gametes (the sex cells, or egg and sperm). Body (or somatic) cells in humans are diploid, with two sets of chromosomes (one from each parent). Meiosis is the process by which a single cell divides twice to produce four cells with half the original genetic information. These are our sex cells, sperm in men and eggs in women.
Due to the fact that cell division occurs twice during meiosis, a single starting cell can produce four gametes (eggs or sperm). Cells go through four stages during each round of division: prophase, metaphase, anaphase, and telophase.
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what type of species are cheetahs?
Answers
Answer:
cheetahs are cats
Explanation:
Is the process of using energy from sunlight to produce glucose from carbon dioxide and water
Answers
Carbon hydrate + Solar Energy + Water > glucose + oxygen
Give the phenotype and genotype of the offspring from a cross between a homozygous long-haired (LL) Alaskan husky and a heterozygous long-haired (Ll) husky. the phenotype and genotype of the offspring from a cross between a homozygous long-haired (LL) Alaskan husky and a heterozygous long-haired (Ll) husky.
Answers
When cross is made between a homozygous long-haired (LL) Alaskan husky and a heterozygous long-haired (Ll) husky, the phenotype of the offspring will be long hairs and the genotype will be in 1:1 ratio which is LL and Ll.
Heterozygous refers to the presence of two different forms of the allele for a trait. These two different alleles are actually the contrasting forms of a gene. For example, the trait height can have two contrasting alleles one for tall and one for dwarf.
The phenotype is the observable result of any character in an individual. The phenotype is the result of the genetic composition for that particular trait.
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What are alleles?
A. the number of individuals in a population
B. mutations in the DNA
C. different forms of a gene
*no wrong answers*
Answers
3. Show the possible genotypes and phenotypes of the offspring from between a homozygous male with type A blood and a homozygous female with type B blood.
Answers
Answer:
A heterozygous male with type A blood IA IO
A heterozygous female with type B blood - IB IO
a cross between a heterozygous male with type A blood and a heterozygous female with type B blood.
Possible parent genotype: IA IO x IB IO
AO X BO
possible offspring genotype: AB AO BO OO
phenotypes: AB blood type (25%), A blood type (25%), B blood type (25%) and O blood type (25%).
Explanation:
What is the DNA replication process?
Answers
When a cell divides, DNA copies itself through a process called replication.
What are the steps involved in replication?
The double helix structure of the DNA molecule must first be unzipped in order to begin DNA replication. A enzyme called helicase does this by dissolving the hydrogen bonds binding the complementary nucleotides of DNA together (A with T, C with G)A replication fork is formed when the two single strands of DNA split apart. The two split strands will serve as models for creating the new DNA strands.The leading strand is the one of the strands that is orientated from 3' to 5' (towards the replication fork). The other strand, known as the lagging strand, is orientated in the 5' to 3' orientation (away from the replication fork).A little RNA fragment known as a primer, which is created by the enzyme primase, arrives and attaches to the leading strand's end. The primer serves as the initial template for the synthesis of DNA.A, C, G, and T are new complementary nucleotide bases that DNA polymerase adds to the leading strand of DNA as it walks along it in the 5' to 3' orientation.Continuous replication is what it is known as.The primase enzyme produces a large number of RNA primers that bind at diverse locations along the lagging strand.The lagging strand is then supplemented with chunks of DNA, known as Okazaki fragments, also in the 5' to 3' direction.As the Okazaki fragments will eventually need to be joined together, this type of replication is known as discontinuous replication.Once all of the bases have matched (A with T, C with G), the primer is removed by the enzyme exonuclease (s). More complementary nucleotides are subsequently added to fill in the spaces left by the primer(s) in their place.To ensure that the new DNA sequence is error-free, the new strand is proofread.Finally, the DNA sequence is sealed into two continuous double strands by an enzyme known as DNA ligase.Two DNA molecules made up of one new and one old chain of nucleotides are produced as a result of DNA replication. Due to the fact that only half of the replication chain is made up of original DNA molecules, DNA replication is referred to as being semi-conservative.The newly created DNA automatically forms a double helix after replication.Hence the process of DNA replication
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High quality chest compressions in adult CPR characterized by Press down, compressing the chest at a O least 2 inches All of the above .b O Let the chest recoil completely between .c O compressions Delivered at a rate 100 to 120 beats per .d O minute
Answers
High quality chest compressions in adult CPR characterized by Press down, compressing the chest at a compressions Delivered at a rate 100 to 120 beats per minute.
What is CPR?Cardiopulmonary resuscitation (CPR) can help save their life. The American Heart Association advises performing quick, forceful chest compressions to begin CPR. This recommendation for hands-only CPR is valid for both untrained bystanders and first responders.
It's always better to try than to do nothing at all if you're hesitant to administer CPR or aren't sure how to do it properly. The choice between taking action and doing nothing could mean the difference between life and death.
Therefore, High quality chest compressions in adult CPR characterized by Press down, compressing the chest at a compressions Delivered at a rate 100 to 120 beats per minute.
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All organisms need food for energy. But how does an organism's body actually get energy out
of food?
Food supplies an organism with many small, energy-rich molecules. These molecules are
taken in by the organism's cells. Inside cells, the molecules from food are broken down to
release energy that cells can use. This energy powers cell processes that allow the entire
organism to grow and live.
Select all the true statements.
Cells usually take in large food molecules.
Molecules from food can provide energy to cells.
Breaking down molecules can release energy.
Cells use energy to promote the organism's growth.
Submit
Answers
The true statements are molecules from food can provide energy to cells, breaking down molecules can release energy and cells use energy to promote the organism's growth.
Molecules from food can provide energy to cells. Energy-rich molecules from food are broken down to release energy that cells can use. Breaking down molecules can release energy. In cells, energy rich molecules are broken down to release energy. Cells use energy to promote the organism's growth. Cells use energy to power cell processes. These cell processes promote the growth of the entire organism.
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Label the diagram:
Pyrimidine, Nucleotide, Deoxyribose, Purine, Phosphate, Hydrogen bond
Answers
Nucleotides are the subunits of nucleic acids. These monomers are composed of three parts, the base, the phosphate group, and the sugar. In the xposed emage, 1- nucleotide. 2- pyrimidine. 3- purine. 4- phosphate. 5- deoxyribose. 6- Hydrogen bond.
What are nucleotides?
Nucleotides are monomers composed of a sugar molecule, joined with a phosphate group and a nitrogenated base. Many of these monomers comprise nucleic acids, which are polymer.
Monomers are composed of carbon, oxygen, and hydrogen atoms, which establish covalent bonds.
Nitrogenated bases are molecules carrying nitrogen and exhibiting the chemical properties of a base. These are purines (Adenine and Guanine) and pyrimidines (Thymine, Uracyl, and Cytosine.).DNA ⇒ Adenine, Guanine, Thymine, and Cytosine.
RNA ⇒ Adenine, Guanine, Uracyl, and Cytosine
Adenine pairs with thymine or uracil, while guanine pairs with cytosine.
Sugar group: Sugar is always a pentose.DNA sugar group contains deoxyribose
RNA sugar group contains ribose
Phosphate groupIt is composed of a central phosphoric atom surrounded by four oxygen atoms arranged in a tetrahedron layout.
Nucleotides have a certain order or sequence in nucleic acids, which is significant since these sequences carry biological information necessary to carry out cellular functions.
In the exposed emage, we can see
1- Represents the whole nucleotide.
2- Is a pyrimidine.
3- Is a purine.
4- Represents the phosphate.
5- This is the DNA deoxyribose.
6- Hydrogen bond.
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what does the chemiosmotic process in chloroplasts involve?
Answers
The chemiosmotic manner in chloroplasts involves a proton gradient throughout the thylakoid membrane. for the duration of photosynthesis, energy is launched as electrons, which can be transferred down the electron shipping chain. This occurs inside of the thylakoid
Chemiosmosis includes the pumping of protons through special channels within the membranes of mitochondria from the inner to the outer compartment. The pumping establishes a proton (H+) gradient. After the gradient is set up, protons diffuse down the gradient thru a transport protein called ATP synthase.
Chemiosmosis includes the electron delivery chains located in the mitochondria and chloroplasts. The chemiosmotic procedure in mitochondria takes place all through mobile breathing. NADH and FADH2 provide electrons to the and so forth on the inner mitochondrial membrane.
Inside the electron shipping chain, electrons are handed from one molecule to some other, and energy released in those electron transfers is used to form an electrochemical gradient. In chemiosmosis, the power stored inside the gradient is used to make ATP.
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Discuss one unique feature of the water cycle of Gorongosa National
Park (examples include Mt. Gorongosa, Lake Urema).
Answers
In Gorongosa National Park, large number of diverse plants and animals are found. It is a home to those diverse Flora and Fauna. It is rich in diversity and it is also said that the type of creatures and plants that resides in the park cannot be found anywhere else in the world.
What is the water cycle of Gorongosa national park?
The park is surrounded by a large lake and the park is situated beneath the mountain that is approximately 2000 meters above the sea level.As it is home to the diverse flora and fauna, protecting and preserving them becomes the important issue.The trees on the the Mt. Gorongosa becomes an important alley in protecting them.It has been scientifically proven that if the trees on the Mt. Gorongosa are cut down, the water flow would drastically change and the mountain would become extremely flooded during winters and drought during dry season.
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Which criterion is a requirement for naturalization as a US citizen?
A.
The person must be a lawful, permanent resident for five years.
B.
The person must read, write, and speak at least two languages.
C.
The person must be related to a natural or naturalized citizen.
D.
The person must be between the ages of 18 and 55 years old
Answers
The person must be a lawful, permanent resident for five years is the criterion that is a requirement for naturalization as a US citizen.
You must be at least 18 years old, be able to read, speak, and write English, have knowledge of US history and government, adhere to the laws outlined in the US constitution, and have lived on US soil for at least 30 months prior to applying in order to qualify for citizenship as an American. There are also other requirements that must be met in order to qualify for citizenship as an American.
Following compliance with the criteria outlined by Congress in the Immigration and Nationality Act, a lawful permanent resident is granted U.S. citizenship through the naturalization process (INA).
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olfactory neurons have the capacity to regenerate in adulthood, while brain neurons do not. why is it thought olfactory neurons adapted this function?
Answers
The olfactory nerve is distinct from all other cranial nerves because it has a built-in capacity for regeneration. In contrast to brain neurons, olfactory neurons can regenerate as adults. It is believed that olfactory neurons modified this function in response to the dangers of the olfactory environment.
The thalamus does not act as a relay for olfactory signals, in contrast to other sensory systems, before they reach the cortex. Olfactory cortex neurons and neurons from other parts of the olfactory cortex form close reciprocal connections. Olfactory neurons are thought to have modified this function to protect themselves from the hazards of the olfactory environment.
According to this line of reasoning, the olfactory nerve's inherent capacity for regeneration makes it distinct from all other cranial nerves.
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rock whose mineral grains are NOT formed in bands is called ___________________.
Answers
Answer:
non-foliated rocks
Explanation:
pleaseeeeeeeeeeeeeeeeeee im begging you guys i need answer pls
Answers
Answer:
1. Superior
2. Dorsal
3. Posterior
4. Ventral
5. Inferior
6. Anterior
7., 10. Medial
8., 9. Lateral
Ability of seed to germinate.
Answers
Which of these pathogens enters
the host through the mouth, nose,
anus, or skin and mostly lives in
the intestinal tract?
fungi
parasitic worms rhis
Answers
Answer:
b) Parasitic worms
Explanation:
Parasitic worms enters the host through the mouth, nose, anus, or skin and mostly lives in the intestinal tract. Therefore, the option (b) is the correct answer.
Answer:
B. Parasitic worms rhis
How would I write my name in binomial nomenclature?
Answers
Answer:
For example, binomial name for Mango is Mangifera Indica where 'Mangifera' denotes generic name ( genus ) and 'indica' represents specific epithet ( species ).
Explanation:
The binomial name consists of a genus name and specific epithet. The scientific names of species are italicized. The genus name is always capitalized and is written first; the specific epithet follows the genus name and is not capitalized. There is no exception to this.
Discuss one issue that Southwest Deserts are facing due to Climate Change. To possibly earn full points, you need to include 3-5 thoughtful sentences on the issue. Include what the issue is and how it is impacting Southwest Deserts.
Answers
One issue that Southwest Deserts is facing due to Climate Change is the increase in the average temperature, which hampers life of natural populations living in extreme conditions.
What is global warming?Global warming is considered by the scientific community as a consequence of human activities that generate climate change by increasing the average temperature on the Earth. It has been proposed that global warming is caused due to human activities including burning fossil fuels, deforestation, etc.
One of the most important issues to face in a climate change scenario is the elimination of natural populations such as occurs in the Southwest Deserts, where average temperatures increased more than 2 Fahrenheit grades over the last few years.
Therefore, with this data, we can see that global warming in the Southwest Deserts is dramatically affecting natural populations, which may lead to the collapse of this ecosystem.
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100 POINTS
HOW MANY ANAPHASE, TELOPHASE, METAPHASE, PROPHASE, INTERPHASE CELLS
ARE THERE
Answers
Mitosis is the cell division process, composed of four phases (prophase, metaphase, anaphase, and telophase). It is preceed by the interphase and followed by cytokinesis. In the image, Interphase: 31 cells. Prophase: 6 cells. Metaphase: 1 cell. Anaphase: 1 cell. Telophae: 1 cell.
What is mitosis?
Mitosis is a cell division process through which a diploid somatic cell (2n), produces two daughter diploid cells (2n).
Before mitosis, the whole-cell first suffers duplication of its content during the interphase, and then the cell goes under division. Mitosis occurs in somatic cells and in germ cells.
Mitosis is divided into four phases.
During prophase, chromosomes condensate, and the nuclear membrane breaks. During the metaphase, fibers of the spindle apparatus take chromosomes toward the equatorial cell plane, where they line up. Sister chromatids are holden together until they reach the Anaphase, during which specialized enzymes break the bonds between chromatids and separate them. Each chromatid migrates to one of the poles. In telophase, the new chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole.Finally, cytokinesis occurs.
In the attached image, there are 40 cells undergoing cell division.
Most cells are in the interphase, either in G1, S, or G2 stages. There are 31 cells in the interphase, and they are marked with an orange circle. Six cells are in the prophase. Some of them in the early prophase and some others in the late one. These cells are marked with a green circle.Only one cell (marked with a pink circle) is in the metaphase. There is only one cell marked with a blue circle going through the anaphase. Finally, one cell in the early telophase marked with a yellow circle.You can learn more about mitosis at
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How do people affect the environment?
Answers
Answer:
Numerous human activities such as overpopulation, pollution, the burning of fossil fuels, and deforestation have an adverse effect on the physical environment. Climate change, soil erosion, poor air quality, and undrinkable water have all been brought on by changes like these.
Explanation:
What reasons besides being necessary for the methane cycle, can you think of that might
make the discovery of liquid water on Titan be important to us? Please, provide at least two
and elaborate on why.
Answers
Titan's rivers, lakes, and seas of liquid methane and ethane could provide a habitable environment on the moon's surface, though any life there would most likely be very different from life on Earth.
Methane gas is effective at trapping heat and burns quickly. As a result, methane is one of the most important human fuels. Furthermore, methane in the atmosphere helps to regulate the Earth's climate.
Over the first 20 years after it enters the atmosphere, methane has more than 80 times the warming power of carbon dioxide. Even though CO2 has a longer lasting effect, methane drives warming in the short term. Methane from human activity is responsible for at least 25% of today's global warming.
As a result, methane not only contributes to global warming directly, but also indirectly through the release of carbon dioxide.
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with reference to trophic levels compare the survival of organisms in the terrestrial hand aquatic habbitat
Answers
The survival of organisms in both the terrestrial and aquatic habitat depends on the first trophic level, which is represented by the producers in these ecosystems.
What are producer organisms?The producer organisms are those organisms that generate biomass by using solar radiation through a process known as photosynthesis, which includes algae in aquatic environment and plant in terrestrial environments. These organisms serve to sustain al trophic levels in the food chain.
Therefore, with this data, we can see that the producer organisms sustain life in all types of ecosystems and they are located at the first trophic level.
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what what may increase or decrease the speed of an object?
Answers
Which is TRUE of Gram-
negative bacteria?
A. a thick cell wall of peptidoglycan
B. stains pink from safranin
C. causes sickness like strep throat and
staph infections this
D. less threatening and easily killed
with antibiotics
Answers
Answer: B. stains pink from safranin
Explanation:
Safranin is the counterstain in the gram stain protocol. Gram positives have a thicker wall of peptidoglycan and will retain the purple from the crystal violet while the gram negative will only stain from the safranin.
C. Staph refers to staphylococcus aureus and is gram positive.
D. Gram negatives are generally more resistant to antibiotics.
how many bonds connect adenine and thymine?
Answers
2 hydrogen bonds connect the adenine and the thymine.