Slide 28 – Embryology Compares the embryos of different species.

Scientist have found they look alike. All have a gill pouch and anal tail.

Slide 29 - Can you tell which will become a chicken? Cat? Bat?

Snake? Human? Possum? All look the same.

Slide 30 – Which one is a cat? Can you tell yet?

Slide 31 – What about now? Which one will turn into a cat?

All these organisms evolved from the same common ancestor