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Angelina_Jolie [31]
4 years ago
7

Which term describes a pattern in which rapid changes occur in a species for short period, followed by a long period of little o

r no change?
A. artificial selection
B. gradualism
C. extinction
D. Punctuated equilibrium
Biology
1 answer:
mixer [17]4 years ago
7 0

Answer: b

Explanation:

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Explanation:

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How do somatic and inherited mutations differ?
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4 0
4 years ago
So how do we get chickens with white and black spots? Shouldn’t they be only white or black?
dalvyx [7]

Answer:

Codominance

Explanation:

This is an example of codominance.

Basically with this type of genetics, both alleles for that trait, in this case feather color, are dominant. This means that both will appear in the phenotype, instead of a dominant phenotype overshadowing a recessive phenotype.

Here, the two dominant alleles are the one that governs white pigment and the one that governs black pigment. Since codominance is occurring, we see a speckled chicken instead of just an entirely white one or an entirely black one.

Hope this helps!

8 0
3 years ago
What process occurs at the boundary between the capillaries and the alveoli?
mr_godi [17]

Answer:

Diffusion.

Explanation:

Oxygen in the lungs diffuses from the alveoli into your bloodstream through capillaries and carbon dioxide diffuses from the bloodstream into the lungs also through these capillaries. The carbon dioxide is then breathed out.

Hope this helps! :)

5 0
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