Ecosystem Vocabulary

A _______ is a place where an organism or a community of organisms lives.

• environment

• habitat

• territory

• ecosystem

________ factors are the living components of an ecosystem.

• non-living factors

• biotic factors

• inorganic factors

• abiotic factors

________ factors are the non-living components of an ecosystem.

• biotic factors

• abiotic factors

• living factors

• organic factors

The process of change in the species structure of an ecological community over time is called ________.

• ecological succession

• species adaptation

• environmental change

• evolution

The first organisms to colonize a barren area during primary succession are called ________ species.

• novice

• pioneer

• beginner

• starter

The final stable community that is formed after ecological succession is called ________ community.

• transitional

• initial

• mature

• climax

________ succession occurs in an area where an ecosystem has been disturbed but the soil is still intact.

• Secondary succession

• Stable succession

• Tertiary succession

• Primary succession

________ succession occurs in an area where there is no soil or organic matter present.

• Tertiary

• Quaternary

• Secondary

• Primary

The gradual and natural process of change in an ecosystem over time is known as ________ succession.

• environmental

• geological

• evolutionary

• ecological

The ________ is the place where an organism lives and obtains all the resources it needs to survive.

• territory

• habitat

• ecosystem

• environment