Biology, 06.12.2019 01:31, mat1413

1. a flexible, supporting structure found only in chordates is the
a. nerve net
b. notochord
c. pharyngeal slits
d. dorsal fin.

2. ancient chordates are thought to be most closely related to which of the following species?
a. spiders
b. earthworms
c. octopi
d. sea stars

Answers: 1

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1. a flexible, supporting structure found only in chordates is the
a. nerve net
b. noto...