Limiting Factors Review

Flashcard
•
Biology
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a limiting factor in an ecosystem?
Back
A limiting factor is a condition that restricts the growth, abundance, or distribution of an organism or a population within an ecosystem.
2.
FLASHCARD QUESTION
Front
Define density-dependent factors.
Back
Density-dependent factors are environmental factors whose effects on a population vary with population density, such as competition, predation, and disease.
3.
FLASHCARD QUESTION
Front
Define density-independent factors.
Back
Density-independent factors are environmental factors that affect populations regardless of their density, such as natural disasters, climate, and human activities.
4.
FLASHCARD QUESTION
Front
What is carrying capacity?
Back
Carrying capacity is the maximum number of individuals of a particular species that an environment can support sustainably.
5.
FLASHCARD QUESTION
Front
Give an example of a density-dependent factor affecting population growth.
Back
Predation is a density-dependent factor; as prey population increases, predator population may also increase, affecting prey survival.
6.
FLASHCARD QUESTION
Front
Give an example of a density-independent factor affecting population growth.
Back
Natural disasters, like hurricanes or wildfires, are density-independent factors that can drastically reduce populations regardless of their size.
7.
FLASHCARD QUESTION
Front
What is competition in ecological terms?
Back
Competition occurs when two or more species or individuals vie for the same resources, such as food, space, or mates.
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