Getting to Know Producers, Consumers, and Decomposers

How do plants get their food?

• photosynthesis

• decomposition

• consuming food

• taking in oxygen

What are the three ingredients in photosynthesis?

• sunlight

• water

• carbon dioxide

• oxygen

• pollination

Match the types of consumers with what they eat.

Groups:

(a) Herbivore

,

(b) Carnivore

,

(c) Omnivore

• eat both plants and animals

• eat plants

• eat animals

Which three are decomposer?

• 
• 
• 
• 
• 

Decomposers are important to the ecosystem because they ​ (a)   down dead organisms and return the​ (b)   to be used by the ​ (c)   .

• break
• nutrients
• producers

Where does the energy in an ecosystem come from?

• sun

• producers

• consumers

• decomposers

Put each in the correct category.

Groups:

(a) Producer

,

(b) Consumer

,

(c) Decomposer

• bird

• earthworm

• mushroom

• shark

• bacteria

• rabbit

• fox

• fern

• tree

• shrub

• algae

• beetles

What type of consumer is important in keeping the population of grasses from getting too large?

• herbivore

• omnivore

• carnivore

If there was a disease that killed all of the plants in an area, how would this affect the other organisms?

• There would be a decrease in the number of consumers.

• There would be an increase in the number of consumers.

• There would be no effect on the community of consumers.

Identify the roles of organisms in the food chain.

a

b

c

d

producer

consumer herbivore

decomposer

consumer carnivore