In DIFFUSION AND FACILITATED DIFFUSION no energy is used. The one that needs a helper to get thing across is FACILITATED DIFFUSION.<span> Facilitated diffusion involves the diffusion of materials across the cell plasma membrane with the aid of membrane proteins such as carriers and channels. The process of diffusion does not need a carrier, the molecules to be transported just move on their own from the area of high concentration to the region of low concentration until the concentration in the space become uniform.</span>
Answer:
c-ab is the only correct answer
Answer:
How many cells are in the organism will help the scientist decide if the organism is unicellular or multicellular.
Explanation:
How many cells are in the organism will help the scientist decide if the organism is unicellular or multicellular because A unicellular organism is an organism that have one cell or it is single celled organism while a multicellular organism have many cells present or it is comprises of many cells.
The number of cells will determine if the organism is single cell or multicellular.
“I don't feed the birds because they need me; I feed the birds because I need them.” “Feeding birds means feeding yourself! Birds are part of nature and feeding nature is nothing but feeding yourself!”
