Unit 6 Review- Energy Test Question Preview (ID: 46010)
Review For The Energy Test For 7th Grade (Food Webs/chains).
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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) A food chain is one feeding possibility, a food web is many food chains together.
c) They are the same thing.
d) A food chain does not have a producer.
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.
What is the energy transformation that takes place during photosynthesis?
a) radiant to mechanical
b) chemical to radiant
c) radiant to chemical
d) chemical to mechanical
Plants store food in the form of __________.
a) glucose
b) oxygen
c) carbon dioxide
d) cellulose
When you use an energy pyramid to diagram energy flow, why are there usually fewer organisms at the top?
a) The higher up you go, the more energy is available. This makes predators die out.
b) There is not enough room on a pyramid drawing for a lot of top predators.
c) The higher up the food chain you go, the less animals exist naturally for no reason at all.
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.
What determines an organisms energy role?
a) Whether it goes through photosynthesis or not.
b) How it obtains food and how it interacts with other organisms
c) How it digests it's food and nutrients
d) How it gets ride of food waste.
What is used during photosynthesis?
a) oxygen and glucose
b) carbon dioxide, radiant energy, and oxygen
c) carbon dioxide, radiant energy, and water
d) glucose and water
What is created during photosynthesis?
a) oxygen and glucose
b) carbon dioxide, radiant energy, and oxygen
c) carbon dioxide, radiant energy, and water
d) glucose and water
What percentage of energy is transferred to each trophic level?
a) 10%
b) 90%
c) 70%
d) 50%
What is the source of energy for all living things?
a) producers
b) the sun
c) consumers
d) water
All of the organisms of the same species in an area
a) population
b) community
c) organism
d) ecosystem
All of the different populations living in an area
a) organism
b) population
c) community
d) ecosystem
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) variety factors
d) ecosystem factors
Living factors of an ecosystem such as animals, plants, etc…
a) biotic factors
b) abiotic factors
c) variety factors
d) ecosystem factors
What three diagrams show the flow of energy in an ecosystem?
a) food chain, flow chart, energy pyramid
b) food web, food chain, food circle
c) food chain, energy pyramid, energy diagram
d) food chain, food web, energy pyramid
A consumer that eats only plants (usually a primary consumer)
a) herbivore
b) carnivore
c) omnivore
d) decomposer
An organism that uses radiant energy from the sun to create their own food. (Plants)
a) herbivore
b) carnivore
c) producer
d) consumer
A consumer that eats producers and consumers
a) herbivore
b) omnivore
c) carnivore
d) decomposer
All of the horses on a ranch would be an example of
a) organism
b) population
c) community
d) ecosystem
If I eat the primary consumer in a food chain, what level consumer am I?
a) producer
b) primary consumer
c) secondary consumer
d) tertiary consumer
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