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schepotkina [342]
3 years ago
14

Which statement would least likely be used to describe variation?

Biology
1 answer:
SVEN [57.7K]3 years ago
7 0
The answer is “Variation that decrease reproductive success are more likely to be passed on.”
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There are two species of freshwater shrimp that are introduced to a pond. The first species, Caridina cantonensis, is brightly c
Marina86 [1]

Explanation:

Natural selection is the mechanism that is responsible for the evolution of organisms.  

In the given case, the Freshwater shrimp has been introduced to a pond in which the two species with variations are introduced.  

The <em>C. cantonensis </em>is brighter in color whereas the <em>C. multidentata</em> is mottled drab in color. The predator fish can feed easily on the species which is brighter therefore <em>C. cantonensis</em> is more susceptible. The mottled drab species is not easily predated by the species.  

The 30 % offsprings of <em>C. cantonensis</em> can survive till the reproductive age  whereas 75% of C. multidentata. This shows that natural selection has acted on the color of the shrimp species selected against the predator fish species.

The species with mottled drab color is the result of the differential reproductive rate.

5 0
3 years ago
Growth factors and cytokines both lead to tyrosine phosphorylation through receptors, but they do so through different mechanism
gladu [14]

Answer:

The growth factor receptors have a kinase domain while the Cytokines receptors do not contain a kinase domain as part of their structure.

Explanation:

The two are signaling molecules that control cell activities in some manners, such paracrine, endocrine and autocrine manners.

The receptor kinase domain can be specific for substrate sites in which phosphorylation occurs.

3 0
3 years ago
CHECK OUT MY QUESTION :)<br><br> What role does a bald eagle play in the food web<br><br> Ez points
spin [16.1K]

Answer:

ecological role

Explanation:

hes a predatory bird

7 0
3 years ago
Is Biomagnification a problem for us humans? *
Setler79 [48]

Answer:

Because humans are at the top of the food chain, biomagnification is of serious concern. Humans who are affected by biomagnification tend to have a higher risk of developing certain cancers, liver failure, birth defects, brain damage, and heart disease.

Explanation:

8 0
2 years ago
Read 2 more answers
A gene that has many possible genotypes such as brown, red, blonde, green, blue, or hazel is known as a
Leokris [45]

Answer:

I think the answer would be C.

Explanation:

D is wrong for obvious reasons, elimanate any silly or impossible answers.

Since poly means muliple, and single means, not muliple (in most cases), B is elimanated.

Since Grapihic usaully refers to things that can been seen, where genic ussaully refers to more so like personality characteristics.

7 0
3 years ago
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