Do you have any words to fill it in with because I think i know x
The cell membrane is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells. The basic function of the cell membrane is to protect the cell from its surroundings. It consists of the phospholipid bilayer with embedded proteins.
Answer. They are the “last trophic level” in some hierarchies because they feed on everything (National Geographic). However, according to the strict trophic level definition they would be primary consumers.
A) Positive feedback loop
B) Positive feedback loop
C) Negative feeback loop
If I am correct it is True.
Hope this helps!