EVOLUTION
HISTORICAL CONTEXT FOR EVOLUTIONARY THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An organism’s ability to travel long distances or move heavy objects
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An organism’s ability to fight off stronger predators
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An organism’s ability to survive & compete
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An organism’s ability to survive & reproduce
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Detailed explanation-1: -In the crudest terms, fitness involves the ability of organisms-or, more rarely, populations or species-to survive and reproduce in the environment in which they find themselves 6–9. The consequence of this survival and reproduction is that organisms contribute genes to the next generation.
Detailed explanation-2: -To an evolutionary biologist, fitness simply means reproductive success and reflects how well an organism is adapted to its environment.
Detailed explanation-3: -Fitness theory of Darwin doesn’t depend on strength of an organism to survive but the ability of an organism to pass on its genetic material to its offsprings.
Detailed explanation-4: -According to Charles Darwin’s theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.
Detailed explanation-5: -Biological fitness, also called Darwinian fitness, means the ability to survive to reproductive age, find a mate, and produce offspring.