Effects of Cycles on Ecosystems Answers

Geoengineering will have no negative effects on the environment.

Cycles are essential to all living organisms.

One reason that rainforests have more precipitation than deserts is _______.a.plants in the desert experience a large amount of transpirationb.plants in the rainforest release a large amount of water to the atmospherec.plants in the rainforest experience a small amount of transpirationd.the fewer plants an area has, the smaller the amount of transpiration there is

Where do animals obtain carbon?a.the atmosphereb.plant and animal consumptionc.the soild.photosynthesis

What is desertification?a.method of using desert land for agricultureb.the process of turning arable land into desertsc.drying up of stream beds and lakes d.the expansion of current deserts land areas

Carbon is found only in living organisms.

Fluctuations in the phosphorus cycle in aquatic ecosystems _______.a.can lead to changes in the growth rates of aquatic populationsb.are never caused by human impact on the environmentc.lead to a decrease in the amount of phosphorus found in sedimentd.never occur naturally

The desert relies on precipitation from weather patterns, while the rainforest can create its own precipitation.

A large portion of precipitation in the rainforest occurs as a result of _______.a.perspirationb.respirationc.oxidationd.transpiration

The cycling of carbon throughout the environment is critical to ensuring the survival of all organisms. Suppose a mountain lion kills a deer in the forest. Photo by US Department of Agriculture What would likely happen first to the carbon in the deer carcass as it lies on the forest floor after the mountain lion has finished feeding on it? a. It would be incorporated into other organisms. b. It would be released back into the atmosphere. c. It would be turned into coal. d. It would be incorporated into the soil. Please select the best answer from the choices provided