Question

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

Answer 1

Answer:

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

rate of animal reproduction decreases

less energy for consumers due to fewer plants

cooler temperatures in a habitat

decreased competition between a species

Explanation:

The intergrowth between species will deter and result in unsanitary areas near the dam.