Question

Difference Between mollusca and Echinodermata

Answer 1

Explanation:

mollusca phylum organisms have a calcium mated shell and a hump, having paired ganglia and are aquatic and terrestrial eg octopus, snail

Echinodermata are aquatic and have 5finger like structures and mouth at bottom and anus at top eg starfish

Answer 2

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$\orange\bigstar$ Mollusca :-

They have close circulatory system and characterstic is organ of bojanus is a part of excretion.

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$\orange\bigstar$ Echinodermata:-

Completely aquatic and characterstic feature is water vascular system.

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