what kind of selection is it when sparrows produce an average of 5 eggs in each clutch. If there are more than 5, parents cant adequately feed the young. If there are fewer predators may destroy the entire clutch.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.

she will be charged $6

step-by-step explanation:

48 dollars divided by 200 beads equals .24 dollars a bead

.24 multiplied by 25 more beads equals 6 dollars as the total cost

answer; somatic;