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- Animals have wall-less eukaryotic cells, multicellular, heterotrophic organisms.
- Mode of nutrition is holozoic and they are either herbivores or carnivores.
- Most animals are mobile i.e. they can move independently.
- Most of the animals are bilaterally symmetrical, while primitive animals are asymmetrical and cnidarians and echinoderms are radially symmetrical.
They are further classified based on the extent and type of the body design:
Classification of kingdom Animilia:
