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Animalia
Animal diversity
Scientific Classification
Kingdom Animalia

Animalia, animals, or Metazoa are multicellular, eukaryotic organisms. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their lives. Most animals are motile, meaning they can move spontaneously and independently. All animals must ingest other organisms or their products for sustenance.

Most known animal phyla appeared in the fossil record as marine species during the Cambrian explosion, about 542 million years ago. Animals are divided into various sub-groups, some of which are: vertebrates (birds, mammals, amphibians, reptiles, fish); molluscs ([clams, oysters, octopuses, squid, snails); arthropods (millipedes, centipedes, insects, spiders, scorpions, crabs, lobsters, shrimp); annelids (earthworms, leeches); sponges; and jellyfish.

CategoryEdit

Animalia', animals, or Metazoa

Subcategories

This category has the following 6 subcategories, out of 6 total.

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Pages in category "Animalia"

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