Darwin and Wallace (Edexcel GCSE Biology Combined Science): Flashcards
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Practise the cards
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Who proposed the theory of evolution?
Who proposed the theory of evolution?
Charles Darwin
Year 'On the Origin of Species' published
Year 'On the Origin of Species' published
1859
Natural selection definition
Natural selection definition
Organisms best suited to environment survive, reproduce & pass on traits
Source of variation within species
Source of variation within species
Mutations in DNA
What happens to beneficial allele frequency over time
What happens to beneficial allele frequency over time
Increases in the population
Lamarck's hypothesis about trait inheritance
Lamarck's hypothesis about trait inheritance
Acquired traits during lifetime passed to offspring
Why Lamarck's theory was disproven
Why Lamarck's theory was disproven
Only genetic info in sex cells is inherited
Scientist who independently developed natural selection
Scientist who independently developed natural selection
Alfred Russel Wallace
Wallace's observation about warning colours
Wallace's observation about warning colours
Used by species (e.g. butterflies) to deter predators
Evolution's impact on antibiotic resistance understanding
Evolution's impact on antibiotic resistance understanding
Importance of finishing drug course to prevent resistance