4/11 Communities and Ecosystems Quiz

What is a community in ecological terms?

• A group of individuals of the same species living in a specific area

• A group of different species living and interacting in a specific area

• The physical environment where organisms live

• A single species interacting with its environment

Define an ecosystem.

• A single species living in a specific area

• A community of organisms and their physical environment interacting as a system

• The physical environment only

• A group of similar organisms

Which of the following is a component of an ecosystem?

• Only plants

• Only animals

• Both biotic and abiotic factors

• Only microorganisms

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Which of the following is an example of a community within an ecosystem?

• Forest community

• Carbon cycle

• Cellular respiration

• Weathering

How do communities differ from ecosystems?

• Communities include abiotic factors, ecosystems do not

• Ecosystems include abiotic factors, communities do not

• Communities are larger than ecosystems

• Ecosystems are only made up of plants

Explain how biotic and abiotic components interact in an ecosystem.

• Biotic components only affect each other

• Abiotic components only affect biotic components

• Biotic and abiotic components interact to support life

• There is no interaction between biotic and abiotic components

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NGSS.MS-LS2-3

Which of the following best describes the role of interactions in ecosystems?

• They are not important for ecosystem stability

• They help maintain balance and support life

• They only occur between animals

• They are only important in aquatic ecosystems

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NGSS.MS-LS2-2

Analyze how a change in one component of an ecosystem can affect the entire system.

• It will only affect the component directly involved

• It can lead to a chain reaction affecting multiple components

• It will have no effect on the ecosystem

• It will only affect abiotic components

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Predict the impact of removing a predator from a community.

• Increase in prey population leading to overgrazing

• Decrease in prey population

• No change in the community

• Increase in plant diversity

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Which of the following best describes a community?

• sharks, groupers, anemones and shrimp on a coral reef
• decorator crabs on the seafloor
• loggerhead sea turtles in Atlantic
• prairie grassland in Wyoming

Tags

NGSS.MS-LS2-2