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232746
Evolution
Description
GCSE Biology (Term 1) Mind Map on Evolution, created by ashleighcattell on 26/09/2013.
No tags specified
biology
term 1
biology
term 1
gcse
Mind Map by
ashleighcattell
, updated more than 1 year ago
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Created by
ashleighcattell
about 12 years ago
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Resource summary
Evolution
Where it all begins
overproduction of young
variation within species
competition between organisms
survival of the fittest
inheritance of beneficial genes
gradual change of species
Speciation = when members of a species evolve differently due to seperation and enter a new species
DNA
nucleus
46 chromosones (23m+23f)
gene
DNA
genes are protien instructions
an allele is a variation of gene
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