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Questions and Answers
Which of the following best describes an ecosystem?
Which of the following best describes an ecosystem?
- A group of organisms that interact with each other (correct)
- A system that only includes abiotic components
- A physical environment with no living organisms
- A system that only includes plants and animals
How do animals contribute to the movement of matter and energy in an ecosystem?
How do animals contribute to the movement of matter and energy in an ecosystem?
- By releasing carbon back to the atmosphere
- By facilitating photosynthesis
- By controlling the overall structure of the ecosystem
- By playing a role in nutrient cycling (correct)
What is the role of decomposers in an ecosystem?
What is the role of decomposers in an ecosystem?
- To release carbon back to the atmosphere
- To break down dead organic matter (correct)
- To control the overall structure of the ecosystem
- To facilitate photosynthesis
What are the external factors that control the overall structure of an ecosystem?
What are the external factors that control the overall structure of an ecosystem?
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Are ecosystems influenced by internal factors?
Are ecosystems influenced by internal factors?
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