Effects of Cycles on Ecosystems Answers

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A large portion of precipitation in the rainforest occurs as a result of _______.

perspiration

respiration

oxidation

transpiration

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Cycles are essential to all living organisms.

Plants in the rainforest _______.

effectively conserve and retain water

have low levels of transpiration

release 50-80% of their water back into the ecosystem

are adapted to conditions of drought

Carbon is found only in living organisms.

Geoengineering will have no negative effects on the environment.

One reason that rainforests have more precipitation than deserts is _______.

plants in the desert experience a large amount of transpiration

plants in the rainforest release a large amount of water to the atmosphere

plants in the rainforest experience a small amount of transpiration

the fewer plants an area has, the smaller the amount of transpiration there is

What is desertification?

method of using desert land for agriculture

the process of turning arable land into deserts

drying up of stream beds and lakes

the expansion of current deserts land areas

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

Fertilizer runoff has a negative impact on aquatic ecosystems because _______.

it causes plants and algae to grow quickly, suffocating organisms in the water

phosphorus is not found in nature

phosphorus is poisonous to living organisms

living organisms do not require phosphorus in order to survive

Trees obtain carbon from _______.

decaying organisms

sunlight

the atmosphere

none of the above

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