Saltwater Ecosystem Concept
They are called ecosystems. oceanic where the oceans are included, seas, marshes and others. salt water shows variations in concentration of soluble salts and minerals, on the contrary of freshwater ecosystems.
It is known that marine ecosystems include waters with a high concentration of salts; in this group are: seas, oceans, marshes and coral reefs, among others.
Discuss one issue that the Central U.S. is 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 the Central U.S.
One of the most important issues that the Central U.S. is facing due to Climate Change is the decrease in annual precipitation level in some regions, which hampers natural life and also agriculture.
What are the consequences of climate change?The consequences of climate change are associated not only with the global increase in average temperatures but also with different weather conditions.
Some of the most widely known phenomena associated with climate change include the increase of precipitation levels in some regions, meteorological extreme phenomena such as el Niño, and the decrease of precipitations in some other regions on the Earth planet such as occurs in certain regions of the central USA.
Therefore, with this data, we can see that the consequences of climate change in certain regions of the central USA are associated with a dramatic decrease in the precipitation level, which alter ecosystems and agriculture.
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All organisms use respiration, but?
a. only plants have mitochondria
b. only animals have mitochondria
c. only prokaryotes have mitochondria
d. only eukaryote have mitochondria
Answer:
I believe that it is D
Explanation:
Prokaryotes don't have mitochondria.
The diagram shows a food web.
A flowchart. Cycle 1: 1, Grass. 2, Grasshopper. 3, Shrew or Mouse. 4, Fox. Cycle 2: 1, Grass. 2, Mouse. 3, Fox or Snake. Cycle 3: 1, Grass. 2, Rabbit. 3, Fox.
Which is the producer?
grass
grasshopper
mouse
fox
Answer:
a) Grass
Explanation:
From the flowchart grass is the only producer, other all are consumers. Therefore, the option (a) is correct answer.
Two lizard species both forage in fig trees in the Caribbean. To study potential competition between the species, you observe a sample of both species, observing the fraction of time they spend in the upper half and bottom have of the trees, as well as the fraction of their diet comprised of insects vs. fruit. Below are your data.
Answer choices:
A. Character displacement is occurring between these two species
B. Resource partitioning is occurring between these two species
C. These species appear to have a mutualistic relationship
D. These species appear to have a parasitic relationship
E. Competitive exclusion is likely to occur where these species are found together
Resource partitioning occurs when two species that share the same niche, make use of resources differently in order to avoid competition. Option B) Resource partitioning is occurring between these two species.
What are competitive exclusion, resource partitioning, and character displacement?Intra- or interspecific competition is an ecological and evolutive process very common in nature.
Competition between different species might be due to the same resource use (food, territory, shelter, etcetera). When a resource is useful for two or more species, and is limited, they compete to gain it.
The principle of competitive exclusion states that different species with the same requirements sharing the niche can not coexist indefinitely based on the same limited resource.
When two competing species coexist, this is because of resource partitioning or niche differentiation.
Differentiation of effective niche is closely related to character displacement.
Character displacement is the result of interspecific competition, in which two or more species that live in the same habitat manage to avoid competition by developing different traits.
Morphological divergence, or any adaptative trait development, fixated genetically, is the product of niche segregation.
Species tend to differentiate morphologically in the presence of strong competitors. Traits divergence favors coexistence in the same place.
In the exposed example, we can see that,
both species (A and B) spend most of their time in the upper part of the tree. species A mainly preys on insects, while species B mainly feeds on fruits.These populations can share the same niche because of resource partitioning. Most of them feed in the upper part, but to avoid competition, one population feeds on insects, and the other one feeds on fruits.
This resource partitioning might lead to the occurrence of character displacement related to the feeding and digestive apparatus and predation strategies. However, the table does not reflect this information.
The correct option is B. Resource partitioning is occurring between these two species.
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What is electromagnetic spectrum in?
The electromagnetic spectrum consists of :
Gamma radiation.X-ray radiation.Ultraviolet radiation.Visible light.Infrared radiation.Microwave radiation.Radio waves.What is the electromagnetic spectrum?
The electromagnetic (EM) spectrum is the range of all types of EM radiation.
What is the use of the electromagnetic spectrum?
Electromagnetic waves have a vast range of practical everyday applications that includes such diverse uses as communication by cell phone and radio broadcasting, WiFi, cooking, vision, medical imaging, and treating cancer.
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Which of the following is not an example of interactions between biotic and abiotic factors in an ecosystem?
Answer:
What are the options?
Explanation:
How similar is human dna to other humans?
Human DNA is 99% identical to other humans.
Differences in the remaining 0.1 percent hold important clues about the causes of diseases.
Is the DNA of all humans the same?
The human genome is mostly the same in all people. But there are variations across the genome. This genetic variation accounts for about 0.001 percent of each person's DNA and contributes to differences in appearance and health.
Do all humans have 99.9 of the same DNA?
All human beings are 99.9 percent identical in their genetic makeup.
Thus, 99% of human DNA is identical to other humans.
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Maria slips on the wet floor of the school hallway and falls flat, the back of her head hitting the floor. Which bones are a risk of injury from this impact?
Answer:
All of them, I tripped her and am now kicking Maria.
Explanation:
yes
how many pgal molecules will it take to make one molecule of glucose
PGAL molecules will it take to make one molecule of glucose Calvin Cycle (light independent reactions).
Phosphogly ceraldehyde, or PGAL for short, is a 3-carbon compound as you can see from the diagram of its chemical shape. as soon as PGAL has been made, its carbon atoms are used to synthesize different natural compounds, which are crucial for the increase and survival of plants.
The response is catalyzed via the enzyme ribulose bisphosphate carboxylase/oxygenase (Rubisco). The six-carbon intermediate reacts with water and decomposes into two identical 3-carbon molecules called phosphoglycerate. those, in turn, react with ATP and NADPH to produce PGAL molecules.
One turn of the Calvin Cycle fixes 3 CO2 C O 2 molecules and generates 1 molecule of phosphoglyceraldehyde (PGAL). So, whilst 54 molecules of CO2 C O 2 enter the Calvin Cycle, 18 molecules of phosphoglyceraldehyde (PGAL) also called glyceraldehyde-3-phosphate (G3P) will leave the cycle.
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the inferior mesenteric artery supplies blood to the?
The inferior mesenteric artery supplies blood to the hindgut
The structures of the developing hindgut are supplied by the branches of the inferior mesenteric artery. These include the rectum, splenic flexure, descending colon, sigmoid colon, and the distal third of the transverse colon. The left colic artery, sigmoid artery, and superior rectal artery are the IMA's three main branches.
At the level of the third lumbar vertebra, the abdominal aorta gives rise to the inferior mesenteric artery. It has four major branches, the left colic, sigmoid, and superior rectal arteries, which supply the hindgut. Additionally, it aids in the development of Drummond's marginal artery. The digestive system reaches the rectum through the mouth. It is made up of several hollow organs that help us break down, digest, and absorb nutrients from the food we ingest.
Its numerous organs are designed to absorb specific vitamins and nutrients; for instance, the terminal ileum is where vital micronutrients like vitamin B12 are absorbed.
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Differences in traits such as hair texture are determined by differences in:_____.
a. the location of sugar groups in DNA
b. the sequence of nucleotides in DNA
c. the number of nitrogenous bases in DNA
d. the molecule attached to the phosphate in DNA
Answer. C-the number of nitrogenous based in DNA.
Explanation:
Differences in traits such as hair texture are determined by differences in the sequence of nucleotides in DNA.
What is DNA?
Deoxyribonucleic acid, also known as DNA, is a large molecule that houses our distinct genetic code.The four fundamental "bases" or "building blocks" of DNA are adenine (A), cytosine (C), guanine (G), and thymine (T) .The genome instructions are formed by the arrangement, or sequence, of these nucleotides.A two-stranded molecule, DNA.DNA is shaped like a twisted ladder and has a special "double helix" form.Traits controlled by nucleotide sequence:
A section of DNA known as a "gene" is used as a template during gene transcription to produce messenger RNA, which is then utilized as a template to produce proteins during the translation process.
The sequences of the proteins produced by transcription and subsequent translation are determined by the nucleotide order in a gene.
Both structural and enzymatic proteins have a major role in determining the phenotypic characteristics.
In conclusion, variations in the SEQUENCE of nucleotides in DNA are what cause variations in traits like hair texture.
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Discuss one issue that the Pacific Coastline is 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 the Pacific Coastline.
The issue that the Pacific Coastline is facing due to Climate Change is that the climate change do brings in several serious threats to their existence which do affect the strength, duration, in the Pacific Ocean.
What is the relationship effect of the Pacific coastline and the climate change?When there is Rise in the sea surface temperatures as well as the ocean acidification then they will all threaten corals.
It should be noted that corals are been refered to as one that brings about the generation of the sediment that the islands require so as to be able to remain stability.
In conclusion, the changing climate circulation patterns do have a serious effects on the strength as well as the duration, and paths of storms including the precipitation events in the Pacific Ocean.
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The one issue that the Pacific coastline is facing due to climate change is referred to as the rising sea level.
What is Climate change?This is referred to as the long-term shifts in temperatures and weather patterns and is usually caused by human activities such as the burning of fossil fuels. The burnt fossil fuel results in the production of gases which have a high tendency to trap heat.
This affects water bodies such as Pacific coastline due to the melting of continental ice sheets and the expansion of sea water thereby leading to an increase in the sea level.
There is an increase in temperature also which threatens to drown low-lying islands within the area and is therefore the reason why climate change is an important topic in today's world.
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Differences in traits such as hair texture are determined by differences in:_________.
a. the location of sugar groups in DNA
b. the sequence of nucleotides in DNA
c. the number of nitrogenous bases in DNA
d. the molecule attached to the phosphate in DNA
What is the narrative perspective of this passage? "It was unthinkable, it was detestable (so he signaled to her across the table) that Augustus should be beginning his soup over again. He loathed people eating when he had finished. She saw his anger fly like a pack of hounds into his eyes, his brow, and she knew that in a moment something violent would explode, and then - but thank goodness!... He sat there scowling. He had said nothing, he would have her observe. Let her give him the credit for that! But why after all should poor Augustus not ask for another plate of soup? first-person second-person third-person omniscient third-person limited
Answer:
point of view
Explanation:
When two mechanical waves have a displacement in the same direction, and they overlap,
what will the resulting wave look like?
When two mechanical waves have a displacement in the same direction, and they overlap, then the resulting wave would have a higher amplitude or displacement compared to the original waves. This is referred to as constructive interference.
Any position along the medium where the two interfering waves have a displacement in the same direction will experience constructive interference. Because both waves in this instance have an upward displacement, the upward displacement of the medium is higher than the displacement of the two interfering pulses. Any site where the two interfering waves are moved upward will exhibit constructive interference. But it can also be seen when the displacement of both interfering waves is downward. This is seen for two downwardly displaced pulses in the picture below.
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100 POINTS HELP PLEASEEEE!!!!!! BRAINLIEST TO BEST ANSWER
3 skulls
2 tibiae (left)
4 hip bones (called os coxae) (1 right and 3 left)
6 femora (4 right and 2 left)
2 humeri (right)
5 scapulae (3 right and 2 left)
2. Which of the bones in the collection belong to the axial skeleton? Which belong to the appendicular skeleton?
Answer: axial= 3 skulls. and the rest go to appendicular
Explanation: The maximum number of individuals that could be represented by the bones is 22. This is because each bone could be from a different person. At first glance some may assume that there would be only 3 people because there were only 3 skulls, however, there were 4 right femurs, so that means there is a missing skull to go with one of the right femurs. With this in mind, you can only assume that each bone goes to a separate individual until more evidence appears.
Axial Skeleton: 3 skulls,
Appendicular Skeleton: 2 tibiae, 4 hip bones(1 right and 3 left), 6 femora (4 right and 2 left), 2 humeri (right), 5 scapulae (3 right and 2 left)
The respiratory system works hand in hand
with the cardiovascular system
O True
O False
Vera has the A antigen on her erythrocytes. What blood type does she have?
Vera has the A antigen on her erythrocytes. A is the type of blood that Vera have.
People can only have one of four blood types, A, B, AB, or O, according to the ABO test. If your blood's red cells contain: the antigen A.
Depending on the presence or absence of antibodies and hereditary antigenic compounds on the surface of red blood cells, blood is classified according to its type (also known as blood group) (RBCs).
Depending on the blood grouping system, these antigens could be proteins, carbohydrates, glycoproteins, or glycolipids. Other cell types from different tissues' surfaces also include some of these antigens.
A blood group system is made up of several of these red blood cell surface antigens, which can all be derived from the same allele (or alternative gene). The blood types that an individual has come from both of their parents and are inherited. The International Society of Transfusion has approved 43 different human blood group systems as of September 2022.
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Describe briefly the modifications and mechanisms associated with the following feeding habits. (b) (i) Filter feeding in mosquito (ii) Parasitic feeding in tapeworm.
The modifications and mechanisms associated with the following feeding habits are the mosquito larva feeds by using its strainers to catch particles and plankton.
Filter feeding in mosquito larva: Using its strainers, the mosquito larva eats by capturing plankton and other particles. Mandible, maxillae, and brushes are present on the head. The pair of brushes at the sides of the mouth can sweep through water and entangle small food particles that are combed into the mouth by the maxillae and mandibles because the ventral surface of the head is angled upward.
Parasitic feeding in tapeworm: The tape worm's head (scolex), which has hooks, and a rostellum, is used for parasitic feeding. The organism is able to cling to the walls of its host's gut thanks to its hooks. The host's digested meal is absorbed throughout the entire body.
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Let -5 represent the change in gas every hour. Which expression represents
the total change in gas after 6 hours?
6-(-5)
-6-(-5)
-6-(-6) 5-(-5)
What will happen to an animal cell in a Hypotonic solution?
Cyto-
Lysis-
Please help me I’ll give u Brainly
Answer:
1. UAG, AUG, CAU, UUU, GGG, AUG, CUA, CAC
2. 24 nucleotides
3. 8 amino acids
Explanation:
Most of this is explained in the last answer I gave you.
2. A codon is made up of 3 nucleotides, time x amount of codons by 3 and that's your answer.
Ex: we have 6 codons, how many nucleotides would you have?
6x3 is 18.
We will have 18 nucleotides.
You work in a museum that has a huge, beautiful, stained glass window. Each panel tints the light a different color. Recently a new exhibit showcasing plants from around the world has set up a table in front of the window. Plant 1 is in front of an Orange stained glass, Plant 2 is in front of a yellow stained glass, and Plant 3 is in front of a purple stained glass. Which plant should you tell the museum director to move so it doesn't become malnourished?
A. AlI 3 plants
B. Plant 2
C. Plant 3
D. Plant 1
Plant 3 should be removed from preventing it from being malnourished .
Plant 3 is present in front of purple stained glass should be removed from begin malnourished. Main purpose of stain glass is to let light into buildings while keeping the building completely enclosed.
These glasses are also known as cathedral glasses , these are made up of different shapes of glasses with different colors. Each color have different effect on plant purple colors comes low under absorption spectrum . Hence, plant in front of purple glass should be removed .
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4. Red-green colorblindness is inherited as a sex-linked recessive. If a colorblind
woman marries a man with normal vision, what would be the expected
phenotypes of their children?
The children would be 50% colorblind.
What is colorblindness?
Colorblindness refers to the inability to see colors in a normal way. Colors like blue, green, red, etc. in some very rare cases, a person cannot see any color at all. Colorblindness is also referred as Daltonism, named after its founder- john Dalton.
Types:
Monochromacy: 2-3 cone pigments are absent or damaged (red, green, blue). This leads to complete colorblindness.
Dichromacy: only one cone pigment is absent/ damaged (red, green, blue). This leads to partial colorblindness.
Color blindness is mostly a sex-linked recessive disorder. If a colorblind woman married a man with normal vision, the children would be fifty percent colorblind.
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stem cells have the ability to divide through ____ and produce unspecified cells. they can be developed into a required tissue because of their ability of _____
Stem cells have the ability to divide through mitosis and produce unspecified cells. They can be developed into a required tissue because they have the ability of differentiation.
Mitosis is the process of cell division where the number of chromosomes remain the same after cell division in the daughter cells. The process is accomplished in four phases: prophase, metaphase, anaphase, and telophase. It occurs in all the somatic cells of the body.
Differentiation is the ability of stem cells to stop dividing and showing growth and development in order to gain their fate. The fate of a cell is to mature and achieve a specific function after which it cannot divide further.
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Why is Mendel's model of genetics not the only model of inheritance?
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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B
Which type of bacteria
stain purple during Gram
staining?
Gram-negative bacteria
Gram-positive bacteria this
Answer:
gram positive
Explanation:
the bacteria is what makes it turn purple
Answer:
b) Gram-positive bacteria
Explanation:
Gram-positive bacteria stain purple during Gram staining and Gram-negative bacteria turns into red (or) pink. Hence, option (b) is correct answer.
The carrying capacity of an ecosystem is
the maximum number of individuals of a
certain species the ecosystem can
support.
Which of the following can change the
carrying capacity of an ecosystem?
A. no change in predator populations
B. habitat loss
C. no change in prey populations
Answer:
B. Habitat loss
Explanation:
We can eliminate "A" and "C" because no change to the predator/prey populations means the ecosystem is unchanged. This means the limiting factors are unchanged, so the carrying capacity will not change either. This leaves "B", which makes sense because less space means fewer organisms can reside in the space.
Which cells are most directly associated with the formation of csf?
Explanation:
CSF is produced by specialised ependymal cells in the choroid plexus of the ventricles of the brain, and absorbed in the arachnoid granulations. There is about 125 mL of CSF at any one time, and about 500 mL is generated every day.
Which of the following describes an effect of an environmental issue experienced at the local level?
Warming temperatures and rising sea levels are affecting many island populations.
Highway noise and pollution have increased dramatically ever since this section of interstate was built.
Everyone left work for the day after mold was discovered growing on a ceiling tile.
An entire species of deer has become extinct because of overhunting.
The option that describes an effect of an environmental issue experienced at the local level is option B: Highway noise and pollution have increased dramatically ever since this section of interstate was built.
What environmental issues do the locals have to deal with?Some of the most pressing environmental problems India is currently dealing with include air pollution, inadequate waste management, increasing water scarcity, declining groundwater tables, water pollution, forest preservation and quality, biodiversity loss, and land and soil degradation.
Note that the negative impacts of human activity on the environment are known as environmental concerns. These include environmental issues including pollution, population growth, waste management, and the greenhouse effect, among others.
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