
Flow of Energy
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the flow of energy in an ecosystem?
Back
The flow of energy in an ecosystem refers to how energy from the sun is captured by producers (like plants) and then transferred through various trophic levels as organisms consume one another.
2.
FLASHCARD QUESTION
Front
What is the 10% rule in ecology?
Back
The 10% rule states that only about 10% of the energy from one trophic level is passed on to the next level, while the rest is lost as heat or used for metabolic processes.
3.
FLASHCARD QUESTION
Front
Define producers in an ecosystem.
Back
Producers are organisms, primarily plants and some bacteria, that can make their own food through photosynthesis, serving as the primary energy source in an ecosystem.
4.
FLASHCARD QUESTION
Front
What are heterotrophs?
Back
Heterotrophs are organisms that cannot produce their own food and must consume other organisms for energy and nutrients.
5.
FLASHCARD QUESTION
Front
What role do decomposers play in an ecosystem?
Back
Decomposers break down dead organic matter, recycling nutrients back into the ecosystem and helping to maintain the flow of energy.
6.
FLASHCARD QUESTION
Front
What is a biomass pyramid?
Back
A biomass pyramid is a graphical representation showing the total mass of living matter at each trophic level in an ecosystem, typically decreasing as you move up the pyramid.
7.
FLASHCARD QUESTION
Front
Define detritivores.
Back
Detritivores are organisms that feed on dead organic matter and waste, playing a crucial role in decomposition and nutrient cycling.
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