Question

Compare the skeleton system of humans and birds​

Answer 1

Answer:

When structures are similar in different organisms, they are called homologous. The main difference between the human and bird skeleton is that the bird's skeleton is adapted for flight. For instance, the bones of a bird are hollow which makes the skeleton lighter.

Explanation:

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Answer 2

Answer:

When structures are similar in different organisms, they are called homologous. The main difference between the human and bird skeleton is that the bird's skeleton is adapted for flight. For instance, the bones of a bird are hollow which makes the skeleton lighter.