Biology, 22.01.2020 14:31 Jackals9912

Which of these is an environmental effect of building dams?

decreased water temperature upstream

soil erosion upstream

increased land fertility downstream

weed growth downstream
2 points
question 2

which of these is an environmental effect of destroying wetlands?

smog

acid rain

loss of habitat

less flooding
2 points
question 3

which of these is an effect of overcrowding in an environment?

increased food supply

increased competition

loss of habitat

cooler temperatures
2 points
question 4

how can humans decrease the rate of endangered or extinct species?

introduce new predators to an environment.

minimize habitat destruction.

pollute other environments.

create and populate more zoos.
2 points
question 5

which of the following is not a likely result of destruction of wetlands?

increased frequency of floods

overgrowth of reeds and cattails

pollution of nearby streams

decline in plant and animal populations

Answers: 2

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Which of these is an environmental effect of building dams?

decreased water temperature...