Life Science Chapter 16 Lesson C Review Questions (Echinoderms)
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| What is the function of the hard plates and spines in a starfish? | Predators can't eat them
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| Where are a starfish's tube feet located? | Underside which act as suction cups
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| Where is the mouth located? | Underside
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| Why does a starfish not need teeth? | Starfish do not chew food or need to bite. They invert their stomach to digest food.
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| What starfish characteristic does the term echinoderm describe? | need answer
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| The phylum Echinodermata includes | starfish, sea brittles, sanddollars, feather stars, sea cucumbers and sea urchins
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| Echinodermata means | spiny skinned
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| Where would echinoderms live? | Ocean
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| Echinoderms have ___________ symmetry | radial
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| Do echinoderms have hearts, brains or eyes? | No
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| Describe how a starfish gets its food. | Starfish use their water-vascular system and tube feet to pry open a clam or mussel shell and invert their stomach into the shell surrounding the mollusk and digest it.
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| Explain how a starfish moves. | need answer
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| What type of system does a starfish have that it can use to move its tube feet? | Vascular system
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| If a starfish looses an arm what will happen? | Regenerate
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| Are starfish carnivores or herbivores? | Carnivores
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