1. of the ecosystem services described in this article (the blue italicized subheadings in the
section labeled “the character of ecosystem services”), summarize your thoughts - are
there any you were familiar with, any you had never thought about before, any you were
surprised about, any you are now concerned about, etc.? explain.

materials water oxygen those are the things i can think of in this moment.

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

explanation:

idk

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.