Which of the following are an example of a trade-off in human evolution (more than one answer could be correct)?

Question

Accepted Answer

Increased cognitive ability due to increased brain size

Accepted Answer

Increased exposure to UV radiation due to loss of body hair

Accepted Answer

Increased body fat accumulation due to sedentary lifestyle

Answer

Increased lifespan due to modern medicine

Answer

More efficient blood circulation due to development of a four-chambered heart

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