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Biodiversity
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Which Ecosystem is more sustainable and why?
1 because there is more than one producer
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A food chain should always begin with -
the Sun
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These organisms eat decaying matter.
decomposers
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Primary consumers eat secondary consumers. TRUE or FALSE?
FALSE
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Species diversity hurts the ecosystem. TRUE or FALSE?
FALSE
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Primary consumers eat-
producers
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Arrows in a food chain or food web show the flow of energy from one organism to the next. TRUE or FALSE?
TRUE!
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An organism can be a primary consumer and a secondary consumer. TRUE or FALSE?
TRUE! Upland sandpipers are an example because they eat grass and grasshoppers.
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How much energy is lost as you travel up- the trophic level energy pyramid?
10%
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What is biodiversity?
A wide variety of species in an area.
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Name the number one factor that plants often compete for.
sunlight
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Explain the difference between a food web and a food chain.
answers may vary
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A forest that has been cleared by logging increases biodiversity. TRUE or FALSE?
FALSE!
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The place where an organism lives is called a-
habitat
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Which Ecosystem is more sustainable and why?
2 because there primary consumers can eat more than just one thing
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What will happen to the deer if the bush dies?
The deer will eat the grass
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These organisms only eat meat.
carnivores
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Which Ecosystem is more sustainable and why?
1 because almost all of the animals eat more than one thing
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Which Ecosystem is more sustainable and why?
1 because there are more producers available
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Organisms DO NOT compete for abiotic factors. TRUE or FALSE?
FALSE
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Which Ecosystem is more sustainable and why?
2 because there are more primary consumers
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In what biome would I find the following organisms?
Tundra
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Which trophic level has the LEAST amount of energy?
tertiary consumer
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Which trophic level has the greatest amount of energy?
producers
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After a forest fire, primary consumers will MOSTLY compete for -
food
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What is a producer?
plants, organisms that can make their own food by photosynthesis
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Which Ecosystem is more sustainable and why?
1 because it has more producers
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Which Ecosystem is more sustainable and why?
1 because there are more primary consumers
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High biodiversity is bad. TRUE or FALSE?
FALSE
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What will happen if the green plant dies?
the whole ecosystem will collapse
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What will the fox eat if the birds die?
rabbits
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Which Ecosystem is more sustainable and why?
1 because most organisms have more than one food source
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Tertiary consumers receive energy from secondary consumers. TRUE or FALSE?
TRUE
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A stable ecosystem is called-
sustainable
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Secondary consumers eat-
Primary consumers
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Ecosystems with more species are more sustainable. TRUE or FALSE?
TRUE!
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As you get closer to the equator, biodiversity-
increases
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These organisms eat both plants and animals.
omnivores
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A food web can have no more than 15 organisms of different species. TRUE or FALSE?
FALSE
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Trophic levels show the different levels of how organisms get their energy. TRUE or FALSE?
TRUE
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The higher the biodiversity, the higher the---
sustainability
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What is wrong with this food web?
the arrows are pointing the wrong way
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Fish can move near other aquatic organisms when oxygen levels are low. TRUE or FALSE?
TRUE
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Which Ecosystem is more sustainable and why?
Ecosystem 2 because there is more biodiversity
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An ecosystem with low biodiversity is very strong. TRUE or FALSE?
FALSE
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Which Ecosystem is more sustainable and why?
1 because each carnivore has a variety of prey
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