CLASSIFICATION
NINE COMMON ANIMAL PHYLA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Unilateral symmetry
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Radial Symmetry
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Bilateral Symmetry
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Asymmetry
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Detailed explanation-1: -The animals belonging to the phylum Mollusca have soft-bodies, triploblastic and bilaterally symmetrical and coelomate. The study of Mollusca is called Malacology.
Detailed explanation-2: -Mollusks have bilateral symmetry. – The two halves of the body mirror each other. Gastropods (snails) eat with a radula (tiny tongue covered with teeth. Cephalopods (squid) use tentacles to grab their prey and put it in their powerful jaws.
Detailed explanation-3: -The name Cephalopoda, means “head feet". They have bilateral body symmetry, a prominent head, and their foot has been modified into arms or tentacles.
Detailed explanation-4: -No, all of the members of the mollusc phylum display bilateral symmetry. Examples of molluscs include snails, clams, octopi, squids, and muscles.