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Questions and Answers
Who independently conceived the theory of evolution by natural selection in the mid-19th century?
Who independently conceived the theory of evolution by natural selection in the mid-19th century?
- Gregor Mendel and Thomas Malthus
- Charles Darwin and Alfred Russel Wallace (correct)
- Louis Pasteur and Jean-Baptiste Lamarck
- Francis Galton and Herbert Spencer
What is the primary cause of evolution in biological populations?
What is the primary cause of evolution in biological populations?
- Geographical isolation
- Mutation and genetic recombination
- Environmental changes
- Genetic drift and natural selection (correct)
What observable facts about living organisms establish evolution by natural selection?
What observable facts about living organisms establish evolution by natural selection?
- More offspring are often produced than can possibly survive (correct)
- Traits do not vary among individuals
- All traits confer the same rates of survival and reproduction
- All offspring have identical traits
What has the process of evolution given rise to at every level of biological organisation?
What has the process of evolution given rise to at every level of biological organisation?
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What did the theory of evolution by natural selection seek to explain?
What did the theory of evolution by natural selection seek to explain?
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