EVOLUTION
EVIDENCE FOR EVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The lifespan of a chimpanzee is extended to 60 years in captivity.
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The population size of giraffes changes over time as a result of immigration.
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The bone density of a human increases significantly as a result of participation in sports.
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the average toxin level in a poisonous frog population increases over time in response to high predation.
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Detailed explanation-1: -So, the correct answer is ‘The venom of a certain salamander species becoming more poisonous as predation by snakes increases’. Was this answer helpful?
Detailed explanation-2: -A classic example of natural selection at work is the origin of giraffes’ long necks. The ancestors of modern giraffes were animals similar to deer or antelope, with necks of ordinary length.
Detailed explanation-3: -Natural selection is the process in nature by which organisms better adapted to their environment tend to survive and reproduce more than those less adapted to their environment. For example, treefrogs are sometimes eaten by snakes and birds.
Detailed explanation-4: -Example of natural selection are-In a habitat where there are red worms and green worms. The birds like to eat the red worms. This will increase the population of green worms and few red worms will be seen. After successive generations, the green worm will be found and eventually no red worms would be seen.
Detailed explanation-5: -So, the correct answer is ‘Individuals with the most favorable traits survive and reproduce’