Which two conditions must exist in a popularion for natural selection to take place?
a)most of its members must look like the same type of organism
b) the group must consist of I individuals that arw genetically identical
c) there must be a genetic variation among the individuals in the population
d) some of its members must be better suited to the environment than others

needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.