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Environments Quiz
Test Description: Changes in environments characteristics of environments
Instructions: Answer all questions to get your test result.
1) Some plants do not grow naturally in an area. How can these plants endanger the plants that do grow naturally there?
A
They crowd out the native plants.
B
They attract birds to the area, which eat the native plants.
C
They spread very slowly, continually using up the water in the area.
D
Their roots spread widely, preventing other plants from growing.
2) Why are the effects of a beaver's dam good for some animals but not good for others?
A
Some animals have adapted better than others to heavy rains.
B
Some animals need water and others do not.
C
Some animals prey on beavers and others do not.
D
Some animals need fast-moving water and others do best in or near quiet ponds.
3) Which statement about carbon dioxide levels in the atmosphere refers to global warming?
A
Increased carbon dioxide levels do not affect organisms that live in the ocean.
B
If there were no carbon dioxide in the air, plants would be able to carry out more photosynthesis.
C
More organisms would live on Earth if there were no carbon dioxide in the air.
D
Temperatures near Earth'ssurface have increased as carbon dioxide levels in the air have increased.
4) How can the removal of trees lead to an increased amount of soil washed into the oceans?
A
Soil is no longer held in place by the trees' roots.
B
After trees are cut down, their stumps decay, creating more soil that is carried away.
C
The increase in carbon dioxide in the air causes acid to form and break up the soil.
D
Corals die, causing more soil to build up in the oceans.
5) What is the main effect of the removal of trees on animals that live in a forest?
A
They eat farmers' crops.
B
Their habitats are destroyed.
C
They migrate to other forests.
D
They can no longer get enough oxygen.
6) Which is a major cause of air pollution?
A
the burning of coal, oil, and natural gas
B
more light from the Sun
C
increased rain
D
the building of houses
7) Which is a characteristic of a tropical rainforest?
A
a large variety of species of animals and plants
B
cold, dry, and frozen
C
dry and sandy
D
fast and slow moving water
8) All of the following are vertebrates except
A
amphibians
B
insects
C
mammals
D
birds
9) Which ecosystem is changed when a beaver builds a dam?
A
tundra
B
swamp
C
tropical rainforest
D
rivers and streams
10) All of the following are characteristics of a tundra except
A
dry and frozen
B
abundance of rain
C
polar bears
D
moss and lichens
*select an answer for all questions
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