What is a food web?
Food Chains, Food Webs, & Energy Pyramids 2022

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•
Biology
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A food web is a complex network of feeding relationships among various organisms in an ecosystem, illustrating how energy and nutrients flow through different trophic levels.
2.
FLASHCARD QUESTION
Front
What is the primary producer in an energy pyramid?
Back
The primary producer is typically the first trophic level in an energy pyramid, consisting of autotrophs like plants that convert sunlight into energy through photosynthesis.
3.
FLASHCARD QUESTION
Front
What role do primary consumers play in a food chain?
Back
Primary consumers are organisms that eat primary producers; they are typically herbivores that obtain energy by consuming plants.
4.
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 transferred to the next level, with the rest lost as heat or used for metabolic processes.
5.
FLASHCARD QUESTION
Front
What is a decomposer?
Back
A decomposer is an organism that breaks down dead organic matter into simpler substances, recycling nutrients back into the ecosystem.
6.
FLASHCARD QUESTION
Front
What is the difference between a food chain and a food web?
Back
A food chain is a linear sequence of organisms where each is eaten by the next, while a food web is a more complex network of interconnected food chains.
7.
FLASHCARD QUESTION
Front
What is a trophic level?
Back
A trophic level is a position in a food chain or food web that indicates the organism's role in the flow of energy and nutrients, such as producers, consumers, and decomposers.
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