Lesson 4 Ecosystem Services

What term describes the variety of different organisms found in an ecosystem?

• population
• biodiversity
• ecosystem services

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NGSS.MS-LS2-5

What does every food chain start with? (Even if it's not drawn or written there!)

• producers
• sun
• consumer
• decomposers

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

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Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

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NGSS.4-LS1-1

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relationship in which two species live closely together

• resource
• mutualism
• succession
• symbiosis

The nonliving aspects of an ecosystem.

• Abiotic factors
• Biotic factors

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NGSS.MS-LS2-3

The living portions of the ecosystem.

• Biotic factors
• Abiotic factors

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NGSS.MS-LS2-2

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NGSS.MS-LS2-4

As you move upward, from level to level, in an energy pyramid, energy _____.

• increases
• decreases
• stays the same
• increases exponentially

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

 plants that convert energy from the sun

• decomposer
• primary consumer
• secondary consumer
• producer

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Sustainable means

• using a lot of energy
• being able to last for a long time by creating as much as you use
• Being able to cause a stain

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NGSS.MS-ESS3-4