Human Use of Land Answers

Which of the following statements about pesticides is true? a. Pesticides provide plants with essential nutrients. b. Pesticides prevent the destruction of crops. c. Pesticides are never harmful to plants. d. Pesticides are never harmful to animals. Please select the best answer from the choices provided

How might environmental manipulation of a crop have unexpected consequences?a.The new crop may require more water than the original.b.The crop may harm the environment.c.The yield may be reduced.d.All of the above

Biological pest control involves _______. a. eliminating pests with pesticides b. using biological mechanisms to eliminate pests c. planting a new crop every year d. burning crops Please select the best answer from the choices provided

What was an unexpected consequence of the green revolution?a.The overuse of fertilizer lead to reduced crop yields over time.b.Crop yields were increased.c.Modern agricultural techniques were implemented.d.New crop varieties were developed.

National parks reduce the human impact on land by _______.a.permitting limited human development.b.cleaning up litterc.preventing human developmentd.preventing companies from polluting on public lands

Reforestation projects would be more beneficial to forests that had undergone selective cutting rather than clear-cutting.

Environmental manipulation can result in unforeseen consequences.

Old growth forests are full of sick, diseased, and decadent trees. Please select the best answer from the choices provided

Rangeland is best described as land used for _______.a.farmingb.grazingc.agricultured.ranging

New ecosystems have been created by human land use.