Vera decides to eat the same kinds of foods as before, but to purchase as many of these foods as possible from local farms. will her change in purchasing habits affect her ecological footprint?

genetic variation will increase because of a new habitat and food source.

explanation:

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.

the answer is c. altitude. hope this ! #brainiac

answer; increases;