Match the time frame listed on the left with the characteristic listed on the right

Mesozoic era

?

Age of the dinosaurs

Paleozoic era

?

Most of Earth a desert

End of the

Mesozoic era

?

A layer of iridium

deposited all over Earth

Error analysis: what might be the reason that some of your percentages didn't exactly match your predicted results? gametes aren't responsible for inheritance. mice don't have large litters, so the sample size was not large enough. the wrong type of mice were used.