Why is adaptation by animals necessary?

Adaptation In Animals

Why is transport of materials necessary in a plant or in an animal? Explain.

(a) Why is transport of materials necessary in an organism (plant or animals) ? (b) What is the need of special tissues or organs for transport of substances in plants and animals ? (c) How are water and minerals transported in plants ? (d) How is food transported in plants ?

Give adaptations of animals to water scarcity .

Write a note of desert adaptations of animals.