Question

11 class biology....
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Answer 1

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3.Coelom is called as body cavity.

Differentiation between animals on the basis of coelom:-

i.Pseudocoelom

ii.ascoelomate

iii.coelomate

4.homeothermal means Warm blood animals

pokilothermous means cold blooded animals

5.A mesodermally derived rod like structure present in the embryonic stage of an animal

6.Hibernation:-Hibernation is a state or condition of inactivity of a plant or animal spending the winter in a long snooze especially for the purpose of rest

Aestivation:-the arrangement of petals and sepals in a flower bud before it opens.

7.oviparous:-animals that lay eggs

viviparous:-animals that give birth to young ones.

8.The definition of homeostasis is the ability or tendency to maintain internal stability in an organism to compensate for environmental changes.

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