What is a food web?
Food Webs

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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, showing how energy and nutrients flow through different trophic levels.
2.
FLASHCARD QUESTION
Front
What are trophic levels?
Back
Trophic levels are the hierarchical levels in an ecosystem, defined by how organisms obtain their energy, including producers, primary consumers, secondary consumers, and tertiary consumers.
3.
FLASHCARD QUESTION
Front
What is a primary consumer?
Back
A primary consumer is an organism that eats producers (plants) to obtain energy, typically herbivores.
4.
FLASHCARD QUESTION
Front
What is a secondary consumer?
Back
A secondary consumer is an organism that eats primary consumers to obtain energy, often carnivores or omnivores.
5.
FLASHCARD QUESTION
Front
What is a tertiary consumer?
Back
A tertiary consumer is an organism that eats secondary consumers, often at the top of the food chain.
6.
FLASHCARD QUESTION
Front
What is an energy pyramid?
Back
An energy pyramid is a graphical representation that shows the amount of energy available at each trophic level in an ecosystem.
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 transferred to the next level, while 90% is lost as heat or used for metabolic processes.
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