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Animal Characteristics, Deema alsalman Norah albrahim Najla alnasban Noura…
Animal Characteristics
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Animal Cell Structure
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The cells of all animals except sponges are organized into tissues, which have specialized functions.
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Movement
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Some animals are stationary as adults, but most have a body form that can move during some stage of development.
Animals All present day animals might have evolved from choanoflagellates, which are protists that formed colonies in the sea 570 million years ago.
The animal classification system characterizes animals based on their anatomy, morphology, evolutionary history, features of embryological development, and genetic makeup.
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