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What Is An Animal? (Functions of Animals (Obtaining Food and Oxygen…
What Is An Animal?
Functions of Animals
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Movement
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Most animals move by walking, swimming, or hopping
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The major functions of animals are to obtain food and oxygen, keep internal conditions stable, move, and reproduce
Structures or behaviors that allow animals to perform these basic functions in their environments are called adaptions
Structures of Animals
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The cells of most animals are organized into higher levels of structure, including tissues, organs, and systems
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Barnacles
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Barnacles start as small organisms swimming through the ocean then attach themselves to a hard surface and stays there
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Barnacles look like rocks, but they're actually animals