Echinoderms

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Environmental Science

Last updated 1:07 AM on 5/21/21
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17 Terms

1
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Intestine
What is short /missing? Answer with a single words or term.
2
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Swimmers
________ avoid sea urchins because of spines.
3
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Urchins
________ can move their spines /tube feet for locomotion.
4
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Echinoderms
________ have some traits close to chordates: Adult is radially symmetrical.
5
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Shell
What is called a test? Answer with a single words or term.
6
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Sea urchins sea cucumbers
What are the exception due to them feeding off plants? Answer with a single words or term.
7
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Few species
________ have toxic spines for protection.
8
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Sea cucumbers
________ bring in water through anus to the respiratory branches.
9
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Gametes
________ do not survive long in the water.
10
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Sea stars
________ do not require the disk.
11
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Larvae
What is bilaterally symmetrical? Answer with a single words or term.
12
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Adult
Echinoderms have some traits close to chordates: What is radially symmetrical? Answer with a single words or term.
13
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Tube feet
________ covering their undersides.
14
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Sand dollar sea urchins share a disk
________- shaped body.
15
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Body cavity
What is filled with a coelomic fluid? Answer with a single words or term.
16
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Sea cucumbers
What are part of this class? Answer with a single words or term.
17
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Echinoderms
________ have separate sexes with 5, 10, or more gonads that shed sperm /eggs.