Vaneearrose Vaneearrose

17-01-2017
Biology

contestada

In some chordates, pharyngeal slits develop into _____. choose one answer.
a. gills.
b. vertebrae.
c. blood vessels.
d. fins.

Respuesta :

yashddsy26 yashddsy26

17-01-2017

in many chordates they changed to gills !!!

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