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Shared Characteristics of all Animals

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Across
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Animal cells are __, which means they have a nucleus.
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Animal cells are surrounded by only __.
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During differentiation, cells develop into different kinds of __, some become skin cells, muscle cells, nerve cells, or bone cells.
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All animals share this that sets them apart from all other living things.
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All animals are made____, which means they are made of many cells.
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An organism that eats other organisms or organic matter.
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A warm-blooded vertebrate animal of a class that is distinguished.
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In __, part of an organism breaks off and develops into a new organism.
Down
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Animals without backbones.
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An animal that has a backbone.
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__ a group of tissues that carry out a special function of the body.
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When a fertilized egg cell divides into many cells to form an embryo, the cells undergo __.
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__ are collections of similar cells.
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When an animal can fly, run, swim, or jump.
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Almost all animals__ sexually.
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Some animals cannot move from place to place at certain __ of their life.