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A shrew is adapted for burrowing and a monkey for tree dwelling. Their forelimbs appear quite different from each other's, but the internal structure of the forelimbs of these two animals is same. What do you conclude from this example?

a) The forelimbs of the shrew and the monkey are homologous structures, so these two animals share a common early ancestor.

b) The forelimbs of the shrew and the monkey are analogous structures, so these two organisms share a common early ancestor.

c) The forelimbs of the shrew and the monkey are homologous structures, so these two animals would be able to interbreed.

2 Answers

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the most appropriate answer is A !

as they have homologous structures and thus signifies their common ancestry !
User Allan Chau
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Answer:

The correct answer would be option A.

Explanation:

Homologous structures can be defined as organs or anatomical skeleton of living organisms, that look different in different animals but are similar in anatomical structures, which displays that the animals share a common ancestor. Homologous structures generally have structures that are similar in their structure but the function is different.

The forelimbs of shrew and monkeys appear to look different but similar internal structure as homologous organs.

Thus, the correct answer would be option A.

User Berndh
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