What can cauEver since nonnative zebra mussels were introduced into the Great Lakes, they have caused ecological problems. Zebra mussels are very efficient filter feeders. They are better at filtering algae from the water than native species are. Which situation would not result from zebra mussel introduction?
se extinction of a species?

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

golgi body just took the test on edge

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.