With the supercontinent Pangaea continuing to separate, more and more big watery lagoons were forming, and along with the new oceans, were teeming with life – from the tiny to the monstrous!

Choosing a new school: what was your first day really like?
02:16

Choosing a new school: what’s the best thing about your school?
01:03

Choosing a new school: the questions to ask on a school tour
02:07