What is a trophic level?
Biology Regents Review 2: Ecology

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Science
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
A trophic level is a position in a food chain or food web that indicates the flow of energy and nutrients through an ecosystem, typically categorized as producers, primary consumers, secondary consumers, and tertiary consumers.
2.
FLASHCARD QUESTION
Front
What is the role of phytoplankton in ocean ecosystems?
Back
Phytoplankton are primary producers in ocean ecosystems, converting solar energy into chemical energy through photosynthesis, forming the base of the marine food web.
3.
FLASHCARD QUESTION
Front
What is the relationship between photosynthesis and cellular respiration?
Back
Photosynthesis produces glucose and oxygen, which are used in cellular respiration to produce energy, while cellular respiration releases carbon dioxide and water, which are used in photosynthesis.
4.
FLASHCARD QUESTION
Front
Define biodiversity.
Back
Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species, genetic diversity, and the variety of ecosystems.
5.
FLASHCARD QUESTION
Front
How does higher biodiversity affect ecosystem stability?
Back
Higher biodiversity often leads to greater ecosystem stability, as diverse ecosystems can better withstand environmental changes and recover from disturbances.
6.
FLASHCARD QUESTION
Front
What are primary consumers?
Back
Primary consumers are organisms that eat primary producers (plants) to obtain energy, typically herbivores in a food chain.
7.
FLASHCARD QUESTION
Front
What is a food web?
Back
A food web is a complex network of interconnected food chains in an ecosystem, illustrating how energy and nutrients flow between different organisms.
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