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