Which one of the following is an example of a eukaryote?
a) e. coli bacteria
b) virus
c) yeast

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone