Plants and animals add carbon dioxide to the atmosphere when they glucose.

the correct answer to this question is #5

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.

ok yes, but what is the question? as soon as you ask the actual question i will answer it. : )