Podcast
Questions and Answers
Which of the following best describes the relationship between a community and an ecosystem?
Which of the following best describes the relationship between a community and an ecosystem?
- Ecosystems only exist in aquatic environments, while communities exist on land.
- A community is a larger, more general term than an ecosystem.
- An ecosystem encompasses a community along with its physical environment. (correct)
- A community includes the abiotic factors, while an ecosystem only includes biotic factors.
In the context of ecology, exponential population growth will continue indefinitely in a natural ecosystem.
In the context of ecology, exponential population growth will continue indefinitely in a natural ecosystem.
False (B)
Explain how the $10%$ rule of energy transfer impacts the structure of food chains and food webs.
Explain how the $10%$ rule of energy transfer impacts the structure of food chains and food webs.
The 10% rule limits the length of food chains because energy is lost at each trophic level, meaning less energy is available for higher levels to support organisms.
The process where bacteria convert atmospheric nitrogen into forms usable by plants is called nitrogen ______.
The process where bacteria convert atmospheric nitrogen into forms usable by plants is called nitrogen ______.
Match the following ecological interactions with their descriptions:
Match the following ecological interactions with their descriptions:
Which biogeochemical cycle is most directly affected by the burning of fossil fuels?
Which biogeochemical cycle is most directly affected by the burning of fossil fuels?
Primary succession occurs after a forest fire where soil is already present.
Primary succession occurs after a forest fire where soil is already present.
Describe one way deforestation can impact both the water cycle and the carbon cycle.
Describe one way deforestation can impact both the water cycle and the carbon cycle.
A species that plays a critical role in maintaining the structure of its ecological community is known as a ______ species.
A species that plays a critical role in maintaining the structure of its ecological community is known as a ______ species.
What is the primary goal of conservation biology?
What is the primary goal of conservation biology?
Flashcards
What is ecology?
What is ecology?
The study of interactions between living organisms and their environment.
What is a population?
What is a population?
A group of individuals of the same species living and interacting in the same area.
What is an ecosystem?
What is an ecosystem?
A community of organisms interacting with their physical environment.
What are biotic factors?
What are biotic factors?
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Who are producers (autotrophs)?
Who are producers (autotrophs)?
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What are consumers (heterotrophs)?
What are consumers (heterotrophs)?
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What is mutualism?
What is mutualism?
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What are nutrient cycles?
What are nutrient cycles?
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What is ecological succession?
What is ecological succession?
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What is biodiversity?
What is biodiversity?
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