An ecologist is studying the effects that a population of predators is having on a population of prey. He used data from the field to produce this line graph. Which conclusion can you draw from the graph?

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a. precipitation b. erosion c. migration d. condensation

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes