Question

Give an example for each of the following :
a) A viviparous animal
b) A fish possessing an electric organ
c) A fish possessing a poisonous sting
d) An organ which regulates buoyancy
e) Animal which exhibits alternation of generations
f) Oviparious animal with mammary gland

Answer 1

a) Human

b)Electric Ray

c)Sting Ray

d) air bladder present class-Osteichthyes. (e.g., Exocoetus, Catla).

e)Jelly fish

f)duck-billed platypes

Answer 2

Answer:

a) Sheep

b)electric eel

c)trygon

d)swim bladder

e)jellyfish

f)ornithorhynchus

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