1. Revision on GENES

2. Extinction – write down the factors that may have caused extinctions
Fossils – how do they provide evidence for extinction?
How can the following prevent extinctions? Captive breeding /conservation /gene banks
Write down what the following words mean: Nucleus DNA Chromosome Gene. EXT: How are they related?
Describe what a gamete is – how many chromosomes does a gamete have compared to a normal cell – why?
What is mutation – what are the advantages and disadvantages
Complete a punnet square cross for BB, bb where b=blue e yes and B=brown eyes – which is dominant?
Describe what an allele is
Who was Charles Darwin and what was his important theory
What are the steps for natural selection
What is a peer review and why is it important
What is adaptation
What is the evidence for natural selection
What is biodiversity

3. Extinction – write down the factors that may have caused extinctions.
Fossils – how do they provide evidence for extinction?
How can the following prevent extinctions? Captive breeding /conservation /gene banks.
Write down what the following words mean: Nucleus DNA Chromosome Gene. EXT: How are they related?
Describe what a gamete is – how many chromosomes does a gamete have compared to a normal cell – why?
What is mutation – what are the advantages and disadvantages?
Describe what an allele is.
Complete a punnet square cross for BB, bb where b=blue e yes and B=brown eyes – which is dominant?
Who was Charles Darwin and what was his important theory?
What are the steps for natural selection?
What is the evidence for natural selection?
What is adaptation?
What is biodiversity?
What is a peer review and why is it important?