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GCSE
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More cards in this set
Card 6
Front
This occurs when populations of the ______ species can ____ longer ______ to produce _____ _______?
Back
Card 7
Front
What causes the species to separate?
Back
Card 8
Front
STAGES (SNAILS)
---------------------------
Firstly there will be a _______ in an ______ that are able to _______?
Back
Card 9
Front
What then may occur?
such as?
Back
Card 10
Front
This causes the population of snails to?
Back
Card 11
Front
The _______ on either side would be slightly ______?
Back
Card 12
Front
Therefore natural selection would _______ different ______ on each side?
Back
Card 13
Front
This is because there would be different?
Back
Card 14
Front
What may then occur?
Back
Card 15
Front
This allows the snails to?
Back
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