Question

The diagram shows the forelimb (front arm or leg) skeletal structure of three mammals. Mammal Skeletal Forelimbs Human Whale Bat

Identify two pieces of evidence from the diagram that are needed to support a claim that these organisms share a common ancestor. ​

Answer 1

clear example of homologous structures is the forelimb of mammals. When examined closely, the forelimbs of humans, whales, dogs, and bats all are very similar in structure. Each possesses the same number of bones, arranged in almost the same way. ... They are analogous structures.

Step-by-step explanation:

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