Gait or movement of Animals

1. Earthworm

• The body of the earthworm is made up of many rings joined end to end.
• The earthworm moves by alternating expansion and contraction of the body using muscles.
• Its body secretes a slimy substance which help in movement.
• Tiny bristles (hair like structure) are present under its body, these bristles are connected to the muscles and help to get a good grip on the ground.

2. Snail

• They move with the help of muscular feet.
• They have a rounded structure which is the outer skeleton of a snail.

3. Cockroach

• They have 3 pairs of legs and 2 pairs of wings.
• It flies with the help of wings and walk with the help of strong muscles of legs.
• This outer skeleton is made up of number of plates joined together that allows movement.

4. Birds

• Birds like Sparrow, crow, pigeon, parrot, Hen, duck, swan can walk as well as fly with the help of hollow bones.
• The bones of the hind limbs are used for walking and perching , while the bony part of the forelimb is modified as wings.
• The breast bones are modified to hold muscles of flight which help to move the wings up and down.

5. Fish

• Their body is streamlined.
• Fish swim by forming loops alternately on two sides of body.
• The movement is helped by the fins and tail which allow the fish to change its directions.
• Fish has powerful body muscles. The powerful body muscles of the fish on the sides help in moving its tail on both sides.

6. Snake

• They slither/crawl on ground by looping sideways.
• A large number of bones and associated muscles push the body forward.
• They have a long backbone and thin muscles.
• Long body of snakes makes many loop s and each loop gives it a push.
• They move very fast, but they do not move in a straight line.