Ecosystems 5C

Decomposers

100

• 100: What do decomposers eat?

(Dead plants and animals)

200

• 200: True or False: Decomposers help return nutrients to the soil.

(True)

300

• 300: Name one decomposer that is not a mushroom.

• worms, bacteris, mold

400

• 400: What would happen if decomposers disappeared?

(Dead plants and animals would pile up, and nutrients wouldn’t return to the soil)

500

• 500: Fungi and bacteria break down dead material. How do plants benefit from this process? 

(They absorb the nutrients to grow)

Producers

100

• 100: What do producers make that animals need to survive?

(Food / Oxygen)

200

• 200: True or False: All producers use sunlight to make food.

(False – some use chemicals in deep oceans)

300

• 300: Which part of a plant helps it make food?

(Leaves)

400

• 400: If all the plants in a forest were removed, what would happen to the animals?

(They would have no food and would die or move away)

500

• 500: Why are plants called producers? 

(They produce their own food using sunlight)

Consumers

100

• 100: What do consumers eat?

(Plants or other animals)

200

• 200: True or False: A lion is a consumer.

(True)

300

• 300: Which consumer eats only plants: a rabbit or a fox?

(Rabbit)

400

• 400: What type of consumer eats both plants and animals? 
• 
  

(Omnivore)

500

• 500: If there were no more rabbits in a grassland, how would that affect hawks? 

(Hawks would have less food and might die or find a new food source)

Ecosystems Around the World

100

• 100: Name one ecosystem where cacti grow. 
• 
  

(Desert)

200

• 200: True or False: Rainforests get less rain than grasslands.

(False)

300

• 300: What is one reason animals in the Arctic have thick fur?

(To keep warm in cold temperatures)

400

• 400: Which ecosystem is home to dolphins, sharks, and seaweed?

(Ocean)

500

• 500: How does a wetland help the environment? 

(It filters water and provides a home for many animals)

Living and Nonliving Things

100

100: Is a rock living or nonliving?

(Nonliving)

200

200: True or False: A tree is living because it grows and changes.

 (True)

300

300: Which nonliving thing do fish need to breathe in water? 

(Oxygen)

400

400: Give one example of how living and nonliving things interact. 

(Plants need water to grow, animals need air to breathe, etc.)

500

500: If all the nonliving things in an ecosystem disappeared, what would happen to the living things?

(They wouldn’t survive because they need air, water, and sunlight)