Q9 of 63 Page 176

Does feather star belongs to class-Aves?

No, feather star is an echinoderm, because it has a slender skinned body, and is exclusively marine. It also has a water driven tube system to help in moving around.


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7

Vertebrata is considered as the most advanced group of animals. Give one reason.

 8

Amongst sponge, mollusc, snail, lizard, which one is the simplest animals and Why?

 1

Scientific name is related to classification. What information does it provide?

 2

Who proposed the binomial nomenclature?