12 Facts About Animals


Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia.

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Animals have several characteristics that set them apart from other living things.

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Animals are categorised into ecological groups depending on how they obtain or consume organic material, including carnivores, herbivores, omnivores, detritivores, and parasites.

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Animals living close to hydrothermal vents and cold seeps on the dark sea floor consume organic matter of archaea and bacteria produced in these locations through chemosynthesis .

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Animals are found as long ago as the Ediacaran biota, towards the end of the Precambrian, and possibly somewhat earlier.

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Animals are thought to have originated under low-oxygen conditions, suggesting that they were capable of living entirely by anaerobic respiration, but as they became specialized for aerobic metabolism they became fully dependent on oxygen in their environments.

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Animals are monophyletic, meaning they are derived from a common ancestor.

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Animals are sister to the Choanoflagellata, with which they form the Choanozoa.

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Animals have been hunted and farmed for their fur to make items such as coats and hats.

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Animals have been used to create vaccines since their discovery in the 18th century.

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Animals have been the subjects of art from the earliest times, both historical, as in Ancient Egypt, and prehistoric, as in the cave paintings at Lascaux.

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Animals including insects and mammals feature in mythology and religion.

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