Food Webs

Any materials unused and rejected as worthless or unwanted

• decomposer

• matter

• waster matter

• food web

An organism that consumes dead or nonliving biomass without need for internal digestion

• decomposer

• matter

• waste matter

• food web

An organism that makes its own food for energy

• decomposer

• consumer

• producer

• food web

An interconnected set of food chains

• food chain

• ecosystem

• producer

• food web

An organism that gets energy from eating another organism

• decomposer

• consumer

• producer

• food web

Name the producer in this food chain

• grass

• rat

• grasshopper

• hawk

Name the consumer in this food chain

• snake

• rat

• grass

• hawk

Name the decomposer in this food chain

• hawk

• rat

• grass

• mushroom

The arrows in a food chain represent _________________ .

• the transfer or flow of energy between organisms

• what an animal eats

• sunlight

• predators and prey

Which of the following best explains the primary role of decomposers in ecosystems?

• provide an important source of food for many animals

• change matter that is not food into matter that is food

• break down dead organisms and recycle materials

• extract water from soil and release it into the atmosphere