Top-down and Bottom-up control
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Within a food chain what are the two directions that members of different species in a community operate in?
Top-down and Bottom-up control
2
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What is top-down control in a food chain?
When interactions from a higher trophic level influence a lower level
3
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What will an increase in predator numbers decrease?
The population size of prey
4
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What is bottom-up control in a food chain?
When interactions from a lower trophic level influence a higher level
5
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How can a population of producers be limited?
By the numbers of nutrients available in the soil or water.
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