Which is a requirement for natural selection to
occur?

A. heritable variations for some traits

B. the ability of an organism to improve a trait during its lifetime

C. equal probability of survival for all offspring

D. fewer offspring than the environment can support

Question

Which is a requirement for natural selection to 
occur?

A. heritable variations for some traits

B. the ability of an organism to improve a trait during its lifetime

C. equal probability of survival for all offspring

D. fewer offspring than the environment can support

bioepic · Answer

A. heritable variations for some traits

bioepic · Answer

Otherwise, if there is only one phenotype for a trait, then when a change occurs all the individuals will die out.

anonymous · Answer

Thanks ..!!

bioepic · Answer

No problem!