Question

4) What is a ball and socket joint?
5) Giving two examples differentiate between vertebrates and invertebrates.
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Answer 1

Answer:

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Answer 2

Answer:

4 .Ball-and-socket joint, also called spheroidal joint, in vertebrate anatomy, a joint in which the rounded surface of a bone moves within a depression on another bone, allowing greater freedom of movement than any other kind of joint.

5 .The main difference between vertebrates and invertebrates is that invertebrates, like insects and flatworms, do not have a backbone or a spinal column. ... Examples of vertebrates include humans, birds, and snakes.