You are planning a case-control study of lung cancer to test the hypothesis that vegetable consumption is protective against lung cancer. would you match on smoking? explain your answer.

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

What would happen if the krill were removed from the food web

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.