Interaction of Living Things: Lesson Two/Ecosystems

The living part of an ecosystem is a ___________ _____________.

• abiotic factor

• biotic factor

• food web

The nonliving part of an ecosystem is an __________ _________________.

• abiotic factor

• biotic factor

• food chain

__________________________ refers to land rather than water or air.

• terrestrial

• aquatic

• webs

____________________ is growing or living in water.

• terrestrial

• aquatic

• food chain

A ______________ is an organism, such as a plant that makes its own food.

• producer

• consumer

• decomposer

A ______________ is an organism that cannot make its own food.

• Producer

• Consumer

• Decomposer

A ______________ is an organism that breaks down wastes and the remains of other organisms into simpler substances.

• producer

• consumer

• decomposer

A _____________ _____________ is the path that energy takes from one organism to another in the form of food.

• food web

• food chain

• abiotic factor

A _____________ _____________ is the food chains that overlap in an ecosystem.

• food chain

• abiotic factor

• food web

A food chain models how energy is transferred in an ecosystem.

• True

• False