Test Review 8.L.3 Populations & Ecosystems

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•
Science
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a density-independent limiting factor?
Back
A density-independent limiting factor is an environmental factor that affects a population regardless of its density, such as natural disasters like floods and fires.
2.
FLASHCARD QUESTION
Front
What happens to a rabbit population if the fox population decreases?
Back
The rabbit population would likely increase due to reduced predation.
3.
FLASHCARD QUESTION
Front
Define mutualism in ecological terms.
Back
Mutualism is a symbiotic relationship where both organisms benefit from the interaction, such as bees pollinating flowers while obtaining nectar.
4.
FLASHCARD QUESTION
Front
What is commensalism?
Back
Commensalism is a symbiotic relationship where one organism benefits and the other is unaffected.
5.
FLASHCARD QUESTION
Front
Explain parasitism.
Back
Parasitism is a relationship where one organism benefits at the expense of another, which is harmed.
6.
FLASHCARD QUESTION
Front
What is carrying capacity?
Back
Carrying capacity is the maximum number of individuals of a species that an environment can sustainably support.
7.
FLASHCARD QUESTION
Front
Give an example of a density-dependent limiting factor.
Back
A density-dependent limiting factor is a factor that affects a population based on its density, such as competition for resources.
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