Question

@superhelp101

Answer 1

The separation of the three main groups of mammals from one another around 60 millions years ago was caused mainly by.
a.
continental drift
b.
competition from dinosaurs
c.
the evolution of oviparous development
d.
volcanic eruptions
e.
competition between the groups

Answer 2

continental drift

Answer 3

yeah another mind blank i opened my book and was like 0_o hold on i know that

Answer 4

yeah i thought soo :)

Answer 5

i just had to think of ice age lol

Answer 6

OMG lolzzies