Biology, 19.12.2019 20:31, chrisdelreal86

What are the three unifying characteristics of chordates?

a) dorsal nerve chord, radial symmetry, three layers of cells

b) water vascular system, backbone, gill slits

c) exoskeleton, notochord, lungs

d) notochord, gill slits, dorsal nerve cord

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What are the three unifying characteristics of chordates?

a) dorsal nerve chord, radial...