Answer:
They transform it into oxygen through cellular respiration
Explanation:
The cardiovascular system transports oxygen and nutrients to the cells and transports waste away from the cells
You would do book work like every other day
Answer:
Genetic variation
Explanation:
Drift and natural selection are natural phenomena that occur when there exists genetic variation. In the first case (drift), the consequence will be the decrease in the genetic diversity, while natural selection will change the allele frequencies in order to favor adaptive genetic differentiation
To have the largest sample size also gives you more data, thus increasing the likelihood of accuracy