Bio I Unit 2 Ecology Topics 1-4

symbiotic relationship in which both organisms benefit

• competition

• mutualism

• predation

• commensalism

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NGSS.MS-LS2-2

Organisms that breaks down and absorbs nutrients from dead organisms 

• consumer
• trophic level
• decomposer
• species

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Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

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NGSS.MS-LS2-3

NGSS.MS-LS2-1

What is a niche?

• The habitat that an organism lives in

• An organism’s “role” in an ecosystem

• A type of consumer

• The relationship between a producer and consumer

What would be a good example of a primary consumer?

• carnivore

• detrivore

• decomposer

• herbivore

Non-living factor that affects an ecosystem

• biotic factor
• abiotic factor
• food chain 
• biome

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NGSS.MS-LS2-3

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

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NGSS.MS-LS2-4

All of the living and nonliving things in an area that interact with each other are called a/an ______.

• community
• habitat
• population
• ecosystem

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NGSS.MS-LS2-3

Which is an example of density independent population control?

• predation

• parasitism

• habitat destruction

• infectious disease

Based on the graph, what conclusion can students draw about the period 1800-1840?

• The population had many limiting factors and the ecosystems was beyond carrying capacity

• The population had many limiting factors but had not reach carrying capacity

• The Population had few limiting factors and the ecosystem had not yet reached carrying capacity

• The population had few limiting factors and the ecosystem was beyond carrying capacity

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NGSS.MS-LS2-4

NGSS.MS-LS2-1