Fill in the Blank Complete the following sentence.
The use of a grass filter can help block nitrates and pesticides from washing into the water system in runoff from cultivated fields.

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve

Isolated volcanic peaks on the ocean floor are