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GCSE
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More cards in this set
Card 16
Front
what caused dinosaurs to become extinct?
Back
Card 17
Front
how can new species arise?
Back
Card 18
Front
how can geographical isolation occur?
Back
Card 19
Front
what may organisms in a new environment be exposed to?
Back
Card 20
Front
....... ....... will occur in both areas, but different ........... will be beneficial in the ... populations
Back
Card 21
Front
when are they two seperate species?
Back
Card 22
Front
what is genetic variation?
Back
Card 23
Front
what will help an organism to survive
Back
Card 24
Front
what will these organisms do?
Back
Card 25
Front
when has speciation occurred?
Back
See full card set