Ecosystems and Biodiversity

What is an invasive species?

• A native (naturally found) species which are added to an area. 
• A non-native (not naturally found) species added to an area. 
• A keystone species in an environment
• none of the above

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What does biodiversity mean?

• Only one species in an area.
• The different amount of species in an area
• All abiotic life
• Nitrogen fixation

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The prefix Bio means

• life

• birds

• science

• ecosystems

Why is biodiversity in an ecosystem so important?

• Because it can help humans where to determine good places to develop farm land.

• Because places that have a healthy biodiversity are unaffected by major disturbances.

• Because having a high biodiversity allows ecosystems to withstand major changes.

• Because having a high biodiversity allows for fewer opportunities of competition for similar resources.

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An ecosystem thrives with biotic and abiotic components. An example of an abiotic part of an ecosystem is ______________.

• Bacteria

• Fungus

• Water

• Decaying plants

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All of the living and nonliving components that interact in an environment.

• population

• ecosystem

• community

• organism

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What is the term used to describe all living things in an ecosystem?

• Biotic Factors
• Abiotic Factors
• Environmental Factors
• Population

A species that plays a far more important in its community than its relative abundance might suggest.

• Keystone Species

• Pioneer Species

• Indicator Species

• Exotic Species

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A keystone species that creates or maintains habitat for other species.

• Foundation Species

• Pioneer Species

• Indicator Species

• Exotic Species

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Species that is found in only one area. Such species are especially vulnerable to extinction.

• Endemic Species

• Pioneer Species

• Indicator Species

• Exotic Species

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