Invertebrates
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Cnidarians | Invertebrates that have stinging cells and take food into a central body cavity
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mollusks | have thin layer of tissue called a mantle that covers their internal organs and an organ called a foot
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arthropods | invertebrates that have hard outer covering
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exoskeleton | is shed and replaces as the animal grows
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echinoderm | is an invertebrate that has an internal skeleton and system of fluid-filled tubes
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endoskeleton | have radial symmetry
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chordates | have three characteristics
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notochord | is a flexible rod that supports a chordate's back
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vertebrates | has a hole in it from a tunnel that bundle of nerve tissue
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ectotherm | body temperature changes with temperature changes in it's environment
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endotherm | is an animal that controls the internal heart
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Created by:
kcordonacevedo
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