ecosystem

refer to organism that CAN make their own food, such as trees, grass, algae, seaweeds, and some bacteria.

are organisms that break down dead or decaying organisms.

refers to organisms that DO NOT produce their food but must eat other organisms to obtain energy.

A producer?

• Eats other plants and animals

• Eats dead plants or animals

• Makes its own food

A consumer?

• 
  Makes its own food

• 
  Eats plants and other animals for energy

• Eats dead plants and animals

A decomposer?

• 
  Eats dead plants or animals and breaks down to put nutrients in the soil

• Makes its own food

• Machine that gathers trash

• 
  

  Consumer

• Producer

• 
  Decomposer

is a community of all the organisms and the physical environment that interact with each other.

also called " autotrophs" organisms that produce food for themselves and for other organisms.

two basic types of producers

1. ____ 2. _____