Answer:
i think answer B is correct
For each of the examples, simple diffusion, carrier, and channel mediated, each type involves the flow down a concentration gradient. This means that the molecules flow from an area of high concentration to an area of low concentration. In turn, this allows for a passive process, meaning no ATP is needed! I hope this explains your question.
Answer:
The parameters of the area when organizing the population of the biosphere is called a specie.
I’m pretty sure it’s nanoscopic animal since nanospoic means extremely small and animal is another way of saying livestock so it’s nanoscopic animal or animals :) (I hope this helps you in any way)