HELP HELP PLEASE Explain the how transpiration helps to limit the number of trophic levels
within an ecosystem.

wha is what i will use to get my free points

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

d we did this already