Slide Show 1: Intro and Architecture

Question 1

Cambrian explosion (500 MYA)

Answer 1

Period of rapid evolution and diversification
100 different groups - from these there are 34 extant (living)
Why? There was a very warm and shallow sea and lots of oxygen

Question 2

New Designs for Living

Answer 2

Cambrian explosion (500 MYA)
34 Major Phyla- living multicellular animals with a distinctive body plan