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AysviL [449]
3 years ago
8

Non vertebrate chordates nervous systems

Biology
1 answer:
sveta [45]3 years ago
6 0

Explanation:

This phylum also includes two groups that don't have backbones. The nonvertebrate species in the phylum Chordata (nonvertebrate chordates) are exclusively marine organisms. They include the tunicates and the lancelets of the subphyla Urochordata and Cephalochordata respectively.

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