What is a food web?
Amoeba Sisters Food Webs and Energy Pyramids

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Biology
•
9th - 10th 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 is the 10% rule in energy transfer?
Back
The 10% rule states that when energy is transferred from one trophic level to the next, only about 10% of the energy is passed on, while the rest is lost as heat or used for metabolic processes.
3.
FLASHCARD QUESTION
Front
Define biodiversity.
Back
Biodiversity refers to the variety of all types of organisms living in a given area, including different species, genetic variations, and ecosystems.
4.
FLASHCARD QUESTION
Front
What role do producers play in an ecosystem?
Back
Producers, such as plants, produce food energy from sunlight through photosynthesis, forming the base of the food web.
5.
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, primary consumers, and secondary consumers.
6.
FLASHCARD QUESTION
Front
What happens to the number of organisms in a food web when a predator is introduced?
Back
The introduction of a new predator can decrease the population of its prey, which may lead to an increase in the population of the prey's food sources.
7.
FLASHCARD QUESTION
Front
What is the difference between a food chain and a food web?
Back
A food chain is a linear sequence showing how energy flows from one organism to another, while a food web is a more complex network of interconnected food chains.
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