enviro 20 feedback loops quiz study
Flashcard
•
Science
•
10th Grade
•
Practice Problem
•
Hard
Jessie S
Used 1+ times
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39 questions
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1.
FLASHCARD QUESTION
Front
why are decomposers important?
Back
they break down dead plants and animal matter. Recycling nutrients back into the ecosystem.
2.
FLASHCARD QUESTION
Front
examples of negative feedback loops
Back
a thermostat, or predator-prey relationships
3.
FLASHCARD QUESTION
Front
define negative feedback loops
Back
Regulates and stabilizes the environment, its relationships and maintains a state of homeostasis.
4.
FLASHCARD QUESTION
Front
are positive feedback loops common?
Back
NOT in natural environments, but common in areas that have been changed by people.
5.
FLASHCARD QUESTION
Front
4 examples of a positive feedback loop
Back
1. erosion
2. melting arctic sea ice
3. agriculture and overpopulation with ppl
4. fruit ripening
6.
FLASHCARD QUESTION
Front
what is a positive feedback loop?
Back
NOT POSITIVE!! instead of stabilizing the environment, it is a self perpetuating drive towards an extreme change, for the worse.
7.
FLASHCARD QUESTION
Front
Tell me the least productive aquatic ecosystem
Back
an open ocean.
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