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1. which phrase describes how biological chemicals provide evidence to support that life changes over time?

a) some animals exhibit similar structures, possibly due to a common ancestor

b) some animals exhibit similar stages of embryonic development

c) some animals exhibit similar proteins

d) some animals exhibit structures that are no longer used for any purpose


2. which phrase describes how homologous structures provide evidence to support that life changes over time?

a) some animals exhibit structures that are no longer used for any purpose

b) some animals exhibit similar stages of embryonic development

c) some animals exhibit similar structures, possibly due to a common ancestor

d) some fossils exhibit similar biological proteins

Sagot :

The statements 'animals exhibit similar proteins' (Option C, question 1) and 'exhibit similar structures due to a common ancestor' (Option C, question 2) support life changes over time.

What is evolution?

Evolution refers to descendence with modification, which means that proteins are similar in related species.

Protein building blocks (amino acids) can also change over evolutionary time due to descendence with modification.

In conclusion, the statements 'animals exhibit similar proteins' and 'exhibit similar structures due to a common ancestor' support life changes over time.

Learn more about protein evolution here:

https://brainly.com/question/406280

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