1.Which of the following appeared on Earth most recently? a.chordates b.tetrapods c.dinosaurs d.single-gene algae 2.Dinosaurs appeared before a.mammals b.photosynthesis c.chordates d.land plants

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asked Aug 1, 2018 83.4k views

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1.Which of the following appeared on Earth most recently?

a.chordates
b.tetrapods
c.dinosaurs
d.single-gene algae
2.Dinosaurs appeared before
a.mammals
b.photosynthesis
c.chordates
d.land plants

Biology
high-school

Sachin Hosmani asked

by Sachin Hosmani

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2. Dinosaurs appeared before mammals (a)

CryShana answered Aug 6, 2018

by CryShana

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