Answer:
the oxygen from the environment will flow into the cell
Explanation:
because by diffusion, areas of high concentration flow to low concentration :)
Answer:
You are saying which one but what is which one???
Explanation:
The frog has two openings at the poster of its body whether it is a male or a female. The two openings are the anus and the cloaca or the cloacal opening. The function of the anus is to get rid of the undigested food and faeces by the process of defeacation. The cloacal opening has two functions as it is related to the urinary system and the reproductive system. It functions as a urinary opening and a reproductive opening.
Answer:
Why is natural selection, as a scientific model, applied at the population level and NOT at the individual level?
Mutations occur so rarely that they are detectable only at the population level
Explanation:
Mutation entails the sudden change of a gene, it occurs rarely