Q16 of 56 Page 1

Give an example of body characteristics used to determine how close two species are in terms of evolution and explain it.

An example of body characteristics used to determine how close two species are in terms of evolution: feathers of Dinosaurs and birds

The presence of feathers in both dinosaurs and birds indicates that they are closely related in terms of evolution. But dinosaurs didn’t used feathers for flying but to keep them warm. The feathers in birds are used for flying. It seems that reptiles and birds are related closely to each other.


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(iii) an ester reacts with a base.

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