[5.9C] Organisms & Environments Vocabulary Quiz

Name:

An ecosystem is...

• when too many plants are eaten within an area.
• all the living and nonliving things in an area.
• the movement of sediment by wind, water, or ice.
• too many of a species in an area.

Overgrazing means...

• when too many plants are eaten within an area.
• all the living and nonliving things in an area.
• a harmful substance in the environment.
• too many of a species in an area.

An invasive species is...

• too many of a species in an area.
• a species that is foreign to an area and causes harm.
• the removal of major sections of trees in an area.
• a condition that interferes with normal functioning.

Deforestation is...

• all the living and nonliving things in an area.
• too many of a species in an area.
• a species that is foreign to an area and causes harm.
• the removal of major sections of trees in an area.

Pollution is...

• a harmful substance in the environment.
• too many of a species in an area.
• a species that is foreign to an area and causes harm.
• the removal of major sections of trees in an area.

Overpopulation is...

• when too many plants are eaten within an area.
• the movement of sediment by wind, water, or ice.
• too many of a species in an area.
• a condition that interferes with normal functioning.

Erosion is...

• when too many plants are eaten within an area.
• the movement of sediment by wind, water, or ice.
• a harmful substance in the environment.
• too many of a species in an area.

Disease is...

• all the living and nonliving things in an area.
• a species that is foreign to an area and causes harm.
• a harmful substance in the environment.
• a condition that interferes with normal functioning.

Which table shows whether each change to an ecosystem is positive or negative?

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