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In an ecosystem, phytoplankton are _____.
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52. Ecosystems
Introduction to Ecosystems
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Which of the following is an ecosystem?
A
All of the angelfish in your aquarium
B
All of the organisms living in your aquarium
C
All of the angelfish on the planet
D
The water, temperature, rocks, and other abiotic components of the aquarium
E
All of the organisms living in your aquarium and the abiotic factors with which they interact
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Understand the definition of an ecosystem: An ecosystem is a community of living organisms interacting with each other and their physical environment, which includes abiotic factors such as water, temperature, and rocks.
Identify the components of an ecosystem: It includes both biotic (living organisms) and abiotic (non-living elements) components.
Analyze each option: Determine which options include both biotic and abiotic components interacting together.
Option analysis: 'All of the angelfish in your aquarium' and 'All of the angelfish on the planet' only include biotic components, not an ecosystem.
Option analysis: 'All of the organisms living in your aquarium' includes biotic components, but lacks abiotic interaction. 'The water, temperature, rocks, and other abiotic components of the aquarium' includes abiotic components but lacks biotic interaction. The correct ecosystem is 'All of the organisms living in your aquarium and the abiotic factors with which they interact'.
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