Vocabulary A8 Ecosystem

An organism that produces its own food supply from inorganic compounds is called a(an)

• heterotroph
• consumer
• detritivore
• autotroph

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

The nonliving parts of an ecosystem.

• Abiotic factors

• Biotic factors

The living portions of the ecosystem.

• Biotic factors
• Abiotic factors

The organisms that make up a community and the nonliving parts of the environment that they interact with are a(n)

• Population

• Community

• Habitat

• Ecosystem

Plants that convert energy from the sun are also called

• decomposers

• primary consumers

• secondary consumers

• producers

The study of how living things interact with one another and with their environment.

• Biology
• Lithology
• Ecology
• Farmacology

Two or more members of a particular species living and interacting in the same area

• Community
• Population
• Organisms
• Biosphere

Different populations living and interacting with each other in the same area

• Biome
• Ecosystem
• Community
• Niche

Organisms that break down decaying material are

• consumers

• producers

• decomposers