1)Whales and sharks are animals that live in the sea. However,these two animals are placed in different classes.A whale is a mammal,whereas a shark is a fish.

State two characteristics which differentiate a whale from a shark.

b)What is the affect of extinction of this animal on biodiversity?

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biodiversiti
kamu kata biodiversiti ialah mana punya?
sorry i don't the answer sorry

Jawapan

2014-09-26T22:11:12+08:00
Whales are warm-blooded, while sharks are cold-blooded.
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Whales breathe air through lungs, while sharks breathe air through gills.