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Unit 6 Review- Energy Test
Test Description: Review for the Energy test for 7th grade (Food webs/chains)
Instructions: Answer all questions to get your test result.
1) What percentage of energy is transferred to each trophic level?
A
50%
B
70%
C
90%
D
10%
2) What is used during photosynthesis?
A
oxygen and glucose
B
glucose and water
C
carbon dioxide, radiant energy, and oxygen
D
carbon dioxide, radiant energy, and water
3) What is created during photosynthesis?
A
glucose and water
B
carbon dioxide, radiant energy, and water
C
carbon dioxide, radiant energy, and oxygen
D
oxygen and glucose
4) What determines an organisms energy role?
A
How it obtains food and how it interacts with other organisms
B
How it gets ride of food waste.
C
Whether it goes through photosynthesis or not.
D
How it digests it's food and nutrients
5) What is the energy transformation that takes place during photosynthesis?
A
chemical to mechanical
B
radiant to chemical
C
radiant to mechanical
D
chemical to radiant
6) Plants store food in the form of __________.
A
oxygen
B
cellulose
C
glucose
D
carbon dioxide
7) When you use an energy pyramid to diagram energy flow, why are there usually fewer organisms at the top?
A
The higher up the food chain you go, the less animals exist naturally for no reason at all.
B
The higher up you go, the more energy is available. This makes predators die out.
C
There is not enough room on a pyramid drawing for a lot of top predators.
D
The higher up the food chain you go, the less energy is left. This makes it hard to sustain a large number of top predators.
8) What do the arrows on a food chain represent?
A
the direction of who is being eaten
B
the direction of the flow of water
C
the direction of the flow of energy.
D
the arrows point in a random direction.
9) What is the difference in a food chain and a food web?
A
They are the same thing.
B
A food web is one feeding possibility, a food chain is many food chains together.
C
A food chain does not have a producer.
D
A food chain is one feeding possibility, a food web is many food chains together.
10) What is the source of energy for all living things?
A
producers
B
the sun
C
consumers
D
water
11) All of the organisms of the same species in an area
A
community
B
ecosystem
C
population
D
organism
12) All of the different populations living in an area
A
population
B
ecosystem
C
organism
D
community
13) Non-living factors found in an ecosystem such as water, sunlight, soil, rocks, etc.. These can have as big of an influence on an ecosystem as biotic factors.
A
variety factors
B
ecosystem factors
C
abiotic factors
D
biotic factors
14) Living factors of an ecosystem such as animals, plants, etc…
A
biotic factors
B
abiotic factors
C
ecosystem factors
D
variety factors
15) What three diagrams show the flow of energy in an ecosystem?
A
food chain, energy pyramid, energy diagram
B
food web, food chain, food circle
C
food chain, flow chart, energy pyramid
D
food chain, food web, energy pyramid
16) A consumer that eats only plants (usually a primary consumer)
A
omnivore
B
decomposer
C
carnivore
D
herbivore
17) An organism that uses radiant energy from the sun to create their own food. (Plants)
A
carnivore
B
herbivore
C
producer
D
consumer
18) A consumer that eats producers and consumers
A
decomposer
B
herbivore
C
carnivore
D
omnivore
19) All of the horses on a ranch would be an example of
A
ecosystem
B
community
C
population
D
organism
20) If I eat the primary consumer in a food chain, what level consumer am I?
A
primary consumer
B
tertiary consumer
C
secondary consumer
D
producer
*select an answer for all questions
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