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Questions and Answers
Which process is responsible for the change in heritable characteristics of biological populations over successive generations?
Which process is responsible for the change in heritable characteristics of biological populations over successive generations?
- Sexual selection
- Natural selection
- Evolution (correct)
- Genetic drift
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?
- Charles Darwin
- Alfred Russel Wallace
- Both Charles Darwin and Alfred Russel Wallace (correct)
- None of the above
What is the main cause of certain characteristics becoming more or less common within a population over successive generations?
What is the main cause of certain characteristics becoming more or less common within a population over successive generations?
- Evolutionary processes
- Biodiversity
- Genetic variation
- Natural selection (correct)
Which book did Charles Darwin first set out the theory of evolution by natural selection in detail?
Which book did Charles Darwin first set out the theory of evolution by natural selection in detail?
What are the observable facts about living organisms that establish evolution by natural selection?
What are the observable facts about living organisms that establish evolution by natural selection?
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Study Notes
Evolution by Natural Selection
- Evolution by natural selection is the process responsible for the change in heritable characteristics of biological populations over successive generations.
Key Contributors
- Charles Darwin and Alfred Russel Wallace independently conceived the theory of evolution by natural selection in the mid-19th century.
Mechanism of Evolution
- The main cause of certain characteristics becoming more or less common within a population over successive generations is the variation in fitness, leading to differential reproduction.
Foundational Text
- Charles Darwin first set out the theory of evolution by natural selection in detail in his book "On the Origin of Species".
Evidence for Evolution
- The observable facts about living organisms that establish evolution by natural selection include: • Fossil Record • Comparative Anatomy • Molecular Biology • Biogeography
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