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Life Science

Life Science Chapter 16 Lesson C Review Questions (Echinoderms)

QuestionAnswer
What is the function of the hard plates and spines in a starfish? Predators can't eat them
Where are a starfish's tube feet located? Underside which act as suction cups
Where is the mouth located? Underside
Why does a starfish not need teeth? Starfish do not chew food or need to bite. They invert their stomach to digest food.
What starfish characteristic does the term echinoderm describe? need answer
The phylum Echinodermata includes starfish, sea brittles, sanddollars, feather stars, sea cucumbers and sea urchins
Echinodermata means spiny skinned
Where would echinoderms live? Ocean
Echinoderms have ___________ symmetry radial
Do echinoderms have hearts, brains or eyes? No
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.
Explain how a starfish moves. need answer
What type of system does a starfish have that it can use to move its tube feet? Vascular system
If a starfish looses an arm what will happen? Regenerate
Are starfish carnivores or herbivores? Carnivores
Created by: halelk2
 

 



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