The answer is B
Isotonic mean that there is an even number of solutes inside and outside of the cell which is what this picture is referring to.
Answer:
it is the mechanism of evoluition
Explanation:
evolution is natural because it happens without human interferance from humans and the traits are not desired by humans, but by the plants themselves
Answer:
The Y chromosome is an accurate indicator of a person's external sex organs.
Explanation:
Since females have two X chromosomes while males have one X and one Y chromosome, if you are aware of the presence of a Y chromosome you can safely assume that a person is a male. Therefore, you can assume what external sex organs a male has.
