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Worms make up the largest group of complex invertebrates.
The two major groups of animal classification are vertebrates and invertebrates. Vertebrates have a backbone or spine, while invertebrates do not. Examples of vertebrates include mammals, birds, reptiles, amphibians, and fish, while invertebrates include insects, arachnids, mollusks, and annelids.
invertebrates
invertebrates
Invertebrates do not have backbones.Examples of invertebrates are earthworms,insects,squids etc... Invertebrates are paraphyletic group.
invertebrates make up the majority:) Hope this helps: btw: invertebrates make up 95% of the population. The 5% is vertebrates.
Crab classification: Phylum - Arthropoda Subphylum - Crustacea Class - Malacostraca Order - Decapoda
The smallest group of invertebrates are sponges. They live in the ocean, fresh water ,lakes. and streams. Some things attach themselves to other things so they can get food.
Octopods.
Crustacean
mollusks :)
There are 5 kingdoms, and invertebrates is not one of them . Invertebrates is a division of the kingdom Animalia.