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Chapter 4 Test Part 2 Of 2
Test Description: Review
Instructions: Answer all questions to get your test result.
1) Nonnative animal populations can grow rapidly in a new ecosystem because
A
predators in the ecosystem are not used to hunting them.
B
they are producers.
C
nonnative speicies are always at the top of the food chain.
D
they have no competition for resources in the ecosystem.
2) The relationship between an owl and a mouse is an example of
A
symbiosis
B
producer and consumer
C
competition
D
predator and prey
3) The shortest food chains consist of
A
two consumers
B
two producers
C
a consumer and a decomposer
D
a producer and a decomposer
4) Which of the following are some benefits of a natural forest fire in an environment?
A
The forest fire will purify the air.
B
The forest fire makes room for new habitats. Also, it returns nutrients to the soil.
C
It clears land for people to build housing additions.
D
The forest fire allows nonnative species to take over.
5) Which of the following is an environmental change caused by humans?
A
heavy rain
B
beaver dam
C
lichen on a rock
D
farm
6) Which can be described as the reverse of photosynthesis?
A
cellular respiration
B
mitochondria
C
metamorphosis
D
chlorophyll
7) Which of the following BEST supports the conclusion that the sun is Earth’s primary energy source?
A
Animals get energy from the sun. Plants get their energy from animals.
B
Plants don’t use the sun for energy.
C
Plants get energy from the sun. Animals eat plants for energy.
D
Plants are not a necessary part of the food chain.
8) What is the source of energy for most plants?
A
water
B
sunlight
C
clouds
D
animals
9) A nonnative plant in an ecosystem spreads quickly. This will most directly affect the native plants by
A
leaving them less space.
B
leaving them more sun.
C
helping them grow.
D
giving them more food.
10) What do plants require to go through photosynthesis?
A
Soil, air, water, and sunlight
B
Air and water
C
Air, water, and sunlight
D
Soil and water
*select an answer for all questions
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