Ecology Unit 4 Bonus Flashcard

Flashcard
•
Biology
•
9th Grade
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the competitive exclusion principle?
Back
The principle stating that two species competing for the same resources cannot coexist; one will outcompete the other.
2.
FLASHCARD QUESTION
Front
Define realized niche.
Back
The portion of the fundamental niche that a species actually occupies in the presence of other species.
3.
FLASHCARD QUESTION
Front
What is a fundamental niche?
Back
The full range of environmental conditions and resources a species can theoretically use.
4.
FLASHCARD QUESTION
Front
Explain why two species cannot occupy the same niche.
Back
Because one species will eventually outcompete the other for resources.
5.
FLASHCARD QUESTION
Front
What is an example of a mutualistic relationship in ecology?
Back
The relationship between bees and flowering plants, where bees get nectar and plants get pollinated.
6.
FLASHCARD QUESTION
Front
Define commensalism.
Back
A type of symbiotic relationship where one species benefits and the other is neither helped nor harmed.
7.
FLASHCARD QUESTION
Front
What is the role of decomposers in an ecosystem?
Back
Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.
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