Evolution (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards
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11 cards from this deck
Definition of evolution
Definition of evolution
Change in inherited characteristics of a population over time through natural selection
Process that causes evolution
Process that causes evolution
Natural selection
What evolution may result in
What evolution may result in
Formation of a new species
What all species evolved from
What all species evolved from
Simple life forms
When simple life forms first developed
When simple life forms first developed
More than three billion years ago
What mutations provide between organisms
What mutations provide between organisms
Variation
Effect of mutation with survival advantage
Effect of mutation with survival advantage
Organism more likely to survive to breeding age
What happens to beneficial mutations
What happens to beneficial mutations
Passed onto offspring
Time scale for mutation frequency increase
Time scale for mutation frequency increase
Many generations
Definition of speciation
Definition of speciation
Formation of a new species from a population
What defines organisms as a new species
What defines organisms as a new species
Cannot interbreed to produce fertile offspring