Question

Write two examples for each of the following.

1.	Vertebrates	.....................	.....................
2.	Invertebrates	.....................	.....................
3.	Ball-and-socket joints	.....................	.....................
4.	Hinge joints	.....................	.....................
5.	Gliding joints	.....................	.....................

Answer 1

1. Fish and frog
2. Snail and earthworm
3. Hip joint and shoulder joint
4. Elbow joint and knee joint
5. Wrist joint and ankle joint