Question

1. Which structures are associated with movement in the
following organisms
earthworm, snail, cockroach, fish, snake, birds​

Answer 1

Answer:

Earthworms move by alternate extension and contraction of the body using muscles. Tiny bristles on the underside of the body help in gripping the ground.

Snails move with the help of a muscular foot.

The body and legs of cockroaches have hard coverings forming an outer skeleton. The muscles of the breast connected with three pairs of legs and two pairs of wings help the cockroach to walk and fly.

Strong muscles and light bones work together to help the birds fly. They fly by flapping their wings.

Fish swim by forming loops alternately on two sides of the body.

Snakes slither on the ground by looping sideways. A large number of bones and associated muscles push the body forward.

Explanation:

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