<span>A: The proportions of a population that are at different age levels make up the population’s age structure. </span>
Answer:A.) True
Explanation:
E.Coli would be a good model organism to study how the cell membrane controls movement of substances in and out of cells because it a eubacteria .Eubacteria characteristics include the ability to allow the movement of molecules across its membrane once a proton gradient is established , The membrane also has permeability enhancing properties that allow for the easy movement of substances.
A mosquito bite, human response to smack their arm as a way of trying to defend
Answer: Use less paper
Explanation:
Giant pandas live on bamboo, which is scarce because bamboo trees are being cut down to make paper, which is destroying their natural habitat and only food source. By not using fewer paper products, you are helping to protect pandas from extinction.
