Ecosystem Dynamics and Energy Flow

Flashcard
•
Biology
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an ecosystem?
Back
An ecosystem is a community of living organisms interacting with their physical environment, including both biotic (living) and abiotic (non-living) components.
2.
FLASHCARD QUESTION
Front
What is energy flow in an ecosystem?
Back
Energy flow refers to the transfer of energy from one organism to another through food chains and food webs, starting from producers to consumers and decomposers.
3.
FLASHCARD QUESTION
Front
What role do producers play in an ecosystem?
Back
Producers, such as plants and algae, convert sunlight into chemical energy through photosynthesis, forming the base of the food chain.
4.
FLASHCARD QUESTION
Front
What is cellular respiration?
Back
Cellular respiration is the process by which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water.
5.
FLASHCARD QUESTION
Front
What is ATP and why is it important?
Back
ATP (adenosine triphosphate) is the energy currency of the cell, providing energy for various cellular processes.
6.
FLASHCARD QUESTION
Front
What happens to energy as it moves up trophic levels?
Back
As energy moves up trophic levels, it decreases due to energy loss as heat and through metabolic processes.
7.
FLASHCARD QUESTION
Front
What is a food chain?
Back
A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.
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