Please help me with this

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

b) the inside picture would look at a very high temperature in a very low ph

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.