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Lyrx [107]
3 years ago
13

NEED HELP ASAP!!! Which of the following describe the role of enzymes in digestion? Select all that apply.

Biology
1 answer:
Len [333]3 years ago
4 0

Answer:

a help break down complex molecule

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2. A change occurs in the environment.

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The natural selection theory was developed by Darwin to explain how evolution occur within a population. The environment is in constant state of changes and always select for organisms that are better adapted to it.

Poorly adapted organisms gradually reduce from the population as a result of decreased survival while well-adapted individuals multiply and contribute more to successive generation.

Well-adapted individuals pass on the adaptive alleles to their offspring, eventually leading to a change in gene frequencies within the population.

Hence, the sequence of events is 2, 4, 1 and 3.

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