4.3 Ecosystems SOL Review Test

The source of energy for a food web.

• sun
• moon

Sunlight, water, nutrients, soil, and air are all examples of ____________.

• nonliving things
• living things

All the organisms of the same species that live in the same place at the same time.

• populations
• community

The populations of species that live in the same place together.

• population
• community

An area where living and nonliving things interact

• community
• ecosystems
• population

The place where an animal or plant naturally lives.

• habitat
• niche

An organism’s specific function or role within its ecosystem.

• niche
• habitat

An organism that eats other living things for energy.

• consumer
• producer
• decomposer

An organism that makes its own food.

• consumer
• producer
• decomposer

An organism that feeds on and breaks down dead plants and animals.

• consumer
• producer
• decomposer