Ecology & Ecosystems
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an ecosystem?
Back
An ecosystem is a community of living organisms interacting with their physical environment, including both biotic (living) and abiotic (non-living) components.
2.
FLASHCARD QUESTION
Front
What are producers in an ecosystem?
Back
Producers are organisms, typically plants and algae, that can make their own food through photosynthesis, forming the base of the food web.
3.
FLASHCARD QUESTION
Front
What are primary consumers?
Back
Primary consumers are herbivores that eat producers. They are the second trophic level in a food web.
4.
FLASHCARD QUESTION
Front
What is a food web?
Back
A food web is a complex network of feeding relationships among various organisms in an ecosystem, showing how energy and nutrients flow.
5.
FLASHCARD QUESTION
Front
What role do decomposers play in an ecosystem?
Back
Decomposers break down dead organic matter and waste, recycling nutrients back into the soil, which supports plant growth.
6.
FLASHCARD QUESTION
Front
What is a trophic level?
Back
A trophic level is a position in a food chain or food web, defined by how an organism obtains its energy.
7.
FLASHCARD QUESTION
Front
How much energy is typically transferred from one trophic level to the next?
Back
Typically, only about 10% of the energy from one trophic level is passed on to the next level.
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