Effects of Cycles on Ecosystems – Flashcards

Geoengineering will have no negative effects on the environment. Please select the best answer from the choices provided

How is carbon reintroduced into the atmosphere? a. respiration b. photosynthesis c. evaporation d. all of the above Please select the best answer from the choices provided

A large portion of precipitation in the rainforest occurs as a result of _______. a. perspiration b. respiration c. oxidation d. transpiration Please select the best answer from the choices provided

Where do animals obtain carbon? a. the atmosphere b. plant and animal consumption c. the soil d. photosynthesis Please select the best answer from the choices provided

Phosphorus plays an important role within the structures of the body. Which of the following structures is phosphorus found in? a. bones b. cell membranes c. DNA d. all of the above Please select the best answer from the choices provided

Carbon is found only in living organisms. Please select the best answer from the choices provided

Fluctuations in the phosphorus cycle in aquatic ecosystems _______. a. can lead to changes in the growth rates of aquatic populations b. are never caused by human impact on the environment c. lead to a decrease in the amount of phosphorus found in sediment d. never occur naturally Please select the best answer from the choices provided

One reason that rainforests have more precipitation than deserts is _______. a. plants in the desert experience a large amount of transpiration b. plants in the rainforest release a large amount of water to the atmosphere c. plants in the rainforest experience a small amount of transpiration d. the fewer plants an area has, the smaller the amount of transpiration there is Please select the best answer from the choices provided

Which abiotic factor would likely have the greatest effect on Canadian geese migration? a. fluctuations in the carbon cycle b. fluctuations in the nitrogen cycle c. fluctuations in the phosphorus cycle d. fluctuations in seasons Please select the best answer from the choices provided