Year 9 Ecosystems

The nonliving aspects of an ecosystem.

• Abiotic factors
• Biotic factors

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An illustration that uses arrows to show the many possible directions in which matter and energy can pass through the organisms in an ecosystem.

• Food chain
• Food web
• Energy Pyramid
• Succession Map

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This is an image of a _________.

• consumer
• scavenger
• decomposer
• producer

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The living portions of the ecosystem.

• Biotic factors
• Abiotic factors

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A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

• Population
• Community
• Habitat
• Ecosystem

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Organisms that feed on both living producers and other consumers.

• Carnivores
• Omnivores
• Herbivores
• Detritivores

Organisms that feed on both living producers and other consumers.

• Carnivores
• Omnivores
• Herbivores
• Detritivores

Part of the earth that living organisms inhabit

• biosphere
• biome
• niche
• ecosystem

What role do these organisms play in their ecosystem as they break down matter?

• producer
• primary consumer
• secondary consumer
• decomposer

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What is the first thing that would happen in this food chain if the grass died?
Sun -> Grass -> Mouse -> Snake -> Hawk

• The snake population would increase
• the mouse population would increase
• the mouse population would decrease
• the hawk population would decrease

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