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