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Distinguish between (a) Echanidodermat...

Distinguish between
(a) Echanidodermata and chordata on the basic of notochord
(b) Pisces and aves on the basic of breathing.
(c) Platyhelminathese and Echinodermata on the basic of body cavity or coelom.

Text Solution

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The correct Answer is:
(a) Echinodermata have no notchord. Chordata have notochord.
(b) Pisces breath through gills whereas aves breath through lungs
(v) Platyhelmintheses have no true internal body caity or colelom whereas Echinodermata have a coelomic cavity
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PRADEEP-DIVERSITY IN LIVING ORGANISMS -SHORT ANSWER QUESTIONS
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