How did the breakup of Pangaea affect land organisms during the Mesozoic Era?

Speciation occurred as species got separated by seas and oceans.

Explanation:

The breakup of Pangaea into Laurasia and Gondwanaland resulted in clade dispersal, isolation of clades, and change in the climate. It also influences patterns of diversity. Only those animals that survived the mass extinction that was able to adapt to the new climate conditions. Speciation occurred as species got separated by seas and oceans.

chemicals, posion.

are some basics

1. a

2. a

3. c

4. d

6. b

there are all your answers!

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