Natural Selection

Natural Selection

B4.4           Describe the evidence for human evolution, based on fossils, including:

a    Ardi from 4.4 million years ago

b    Lucy from 3.2 million years ago

c    Leakey’s discovery of fossils from 1.6 million years ago.

B4.5           Describe the evidence for human evolution based on stone tools, including:

a    the development of stone tools over time

b    how these can be dated from their environment.

What is Evolution?

What is Natural Selection?

Single Biology - extension - How Darwin came up with his idea. 

Wallace - a special mention!

Natural selection today 

How Antibiotics work

Why are bacteria becoming resistant to Antibiotics?

Fossils