Question

Why are a whale and a fish placed in a different classes when they have similar body form and pectoral appendages?? ​

Answer 1

Answers:

Whales and fishes are placed in different classes, even though they share similar body forms and pectoral appendages, because they do not resemble in other characteristics which makes them different from each. Whales give birth to young ones, while fishes lay eggs.

Explanation:

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