2 years ago

List three ways that reproductive isolation occurs

1 answer:

6 0

Hello

When populations have differences in rituals or behaviors. When populations are separated by rivers, mountains, r bodies of water.

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5 pts

MakcuM [25]

Answer:

B. Phosphorus exists as a single element in both living and nonliving things.

Explanation:

6 0

2 years ago

why do polysaccharides like cellulose and peptidoglycan able to resist degradation and enzymatic activity

mixer [17]

Polysaccharides like Cellulose form insoluble micro-fibrils making it resistant to degradation and enzymatic activity.

<u>EXPLANATION: </u>

Polysaccharides components in general broken down monosaccharides and they are very little enough to be absorbed by the body.
But the polysaccharide like cellulose cannot be absorbed by our body.
Cellulose is made up of simple polymers that form insoluble micro-fibrils results in resistant to degradation and enzymatic activity.
Also, molecules of each micro-fibril are so tightly packed structure and prevent the penetration of enzymes.
Thus, cellulose degradation requires a complex enzyme and cellulose.

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Rudik [331]

You could carbon date the fossil

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Which of these describes the most widely held scientific theory on what catastrophic events led to the Cretaceous–Tertiary extin

9966 [12]

That would be a meteors impact I believe.

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2 years ago

The pharynx is the anatomical name for the ___?

kirill [66]

The term pharynx may also be used to describe a differentialed portion of the invertebrate.

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