Question

6. Animals not having backbone are known as :-

(a) Invertebrates (b) Segmented

c) Amphibian (d) Birds​

Answer 1

Answer:

a)

Explanation:

Invertebrates are the animals which does not have a back bones

Answer 2

Answer:

Invertebrates - animals without a backbone. ... Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate group - they do not have a backbone. Fish, reptiles, birds, amphibians and mammals are different sub-groups of vertebrates - they all have internal skeletons and backbones.

Explanation:

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