are we really different

In comparative anatomy we study the anatomy and physiology of the human body, and we often compare our anatomy of other living things…cats, sheep, pigs, etc.But how can such a comparison be made?

 

In your answer please consider:

(a) What critiera we use to classify organisms as belonging to one “species” compared to another.

(b) What characteristics do all “vertebrates” share?

 

 

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