Question

There are main groups of vertebrates and main groups of invertebrates​

Answer 1

These groups are divided into smaller 'sub-groups'. 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

Answer 2

Answer:

Although u r not very clear about ur question, here is my answer:-

Explanation:

A vertebrate has a back that’s straight.” Well, not all vertebrates have straight backs, but all have backbones, or vertebral columns, that help support their bodies.these are-

1. FISHES

2. AMPHIBIANS

3. REPTILES

4. BIRDS

5. MAMMALS

Invertebrate, any animal that lacks a vertebral column, or backbone, in contrast to the cartilaginous or bony vertebrates. More than 90 percent of all living animal species are invertebrates. these are:-

1. FRESHWATER SPONGES

2. MANY ARTHROPODAS

3. CNIDARIA

4. MILLUSCA

5. TUNICATA,ETC.

hope it helps

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