Introduction to Ecology and Roles in Energy Transfer Review

The size of a population is always changing based on:

• Biotic Factors

• Abiotic Factors

• All interactions affecting that population

• All of these

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which level of organization is pictured here?

• ecosystem

• organism

• community

• populatiom

Which level of organization is this?

• organism

• community

• population

• abiotic

Which of the following is an example of a biotic limiting factor in an ecosystem?

• New predators move into the ecosystem.

• Living space is lost due to human activities.

• A drought occurs for several months.

• A hurricane passes through an ecosystem.

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NGSS.MS-LS2-4

What level of organization is pictured here?

• ecosystem

• organism

• community

• population

What does abiotic mean?

• something that is considered to be physical rather than biological

• something that is considered living or once was alive

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which level organism is pictured here?

• biome

• community

• organism

• ecosystem

Which is an example of abiotic features in an environment?

• frog

• water

• lilly

• grass

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NGSS.MS-LS2-3

Which best describes the role that all species play within an ecosystem?

• mutualism

• symbiosis

• niche

• host

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NGSS.MS-LS2-2

What term refers to the zooplankton in the food chain above?

• producers

• consumers

• decomposers

• plants

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NGSS.MS-LS2-3