6.4.1 Ecosystems

The part of Earth where organisms can live.

• biotic factors
• biosphere
• ecology
• biology

A system made up of organisms interacting with one another

• biology
• abiotic
• biotic
• ecosystem

Organisms that make up the living part of an ecosystem.

• abiotic
• biotic factors
• ecology
• ecosystems

Nonliving things found in an ecosystem.

• factories
• factor trees
• biotic factors
• abiotic factors

The study of interactions in an ecosystem.

• ecology
• philosophy
• scientology
• biology

Which is a biotic factor?

• sunlight
• air 
• bacteria
• all of the above

Deserts, mountains, and rivers are all examples of ________.

• vacation spots
• tundra
• ecosystems
• wetlands

In an ecosystem, producers and consumers are both __________.

• biotic factors
• very nice
• cranky
• abiotic factors

Which of the following is a biotic factor?

• soil
• temperature
• Elvis
• vegetation

A __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem