The table shows the tolerance range of some common freshwater organisms to different ph ranges in water. suppose a coal-burning power plant in cowtown begins to produce acid rain that falls on lake bully. which ecological impact is least likely if the water of lake bully falls from a ph of 7.0 to a ph of 5.0.

Light sensitivity in euglena is provided by the

Adaptive radiations can be a direct consequence of four of the following five factors. selectthe exception. a) vacant ecological niches b) genetic drift c) colonization of an isolated region that contains suitable habitat and few competitor species d) evolutionary innovation e) an adaptive radiation in a group of organisms (such as plants) that another group uses as food

Unlike mendel's pea plants,humans can have a variety of heights,not just tall or short.what does this mean for human height? a.height is controlled by one gene b.height is controlled by more than one c.height is not genetic d.height is solely determined by whether or not you eat your vegetables