The only option given above that is true for natural selection to occur is option d: 'there must be competition for resources'. Natural selection would also occur under predatory pressure. Natural selection occurs through individuals with advantageous characteristics (phenotypes) surviving and passing on their genes (genotypes) to their offspring.
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<span>the waters specific heat is able to absorb a lot of </span>heat<span> without a significant rise in the temperature. hope this helps and please rate below and please thank me on my profile page and i will do the same :)
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