Which of the following would best determine the fitness of an organism?
Correct answer: A. The number of offspring produced by the organism.
- A. The number of offspring produced by the organism.
- B. How much food the organism consumes in its lifetime.
- C. How large the organism grows.
- D. The number of offspring produced by the organism's own offspring.
Explanation
The fitness of an organism is typically determined by its ability to produce offspring that can survive and reproduce themselves, rather than the number of offspring produced by its own offspring. Fitness is a measure of an organism's reproductive success in the context of its environment.
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About Evolution
Evolution describes heritable change in populations over generations through variation, natural selection and adaptation. Lamarckism explains inheritance of acquired characteristics, while Darwinism explains selection of favourable inherited variations; these historical explanations must not be confused with the modern genetic account of evolutionary change.
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