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What are the locomotary organ in …

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What are the locomotary organ in an earthworm,snail and fish
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Yogita Ingle 6 years, 9 months ago

Locomotion of earthworm is the outcome of muscular actions in them. Continuous expansion and contraction of muscles help them to move. Hence, earthworms make small moves using muscles alone.
Snails have a characteristic shell on their back. The hard external shell is a non-bony structure called exoskeleton. It doesn’t help in movements but is a shield from predators and damages.
Fish is an aquatic animal adapted to live in water. Fish have a streamlined body structure which help them to move smoothly with the flow of water. Muscles and fins on the body and tail help keep the balance.

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