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10.1: Chordates

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

chordate

Animal with a notochord, dorsal hollow nerve cord, post-anal tail, and pharyngeal slits during at least some stage of its life.

dorsal hollow nerve cord

Hollow cord above the notochord; sometimes includes a brain and spinal cord.

notochord

Support rod that runs along the back.

pharyngeal slit

Organ that aids in filter-feeding.

post-anal tail

Tail that is opposite the head and extends past the anus.

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Description
Difficulty Level:
At Grade

Concept Nodes:

Grades:
7 , 8
Date Created:
Nov 29, 2012
Last Modified:
Aug 30, 2016
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SCI.LSC.828.L.1