Producer-Consumer-Decomposer online exercise for - Free Printable

Let me work through this food chain worksheet step by step.

Part 1: Complete the sentences

Looking at the diagram and the information provided:

1. "Plants are called ________________"
- From the diagram, plants are labeled as "producers"
- They produce energy using light from the sun
- Answer: producers

2. "Animals are called ________________"
- From the diagram, both herbivores (rabbit, zebra) and carnivores (wolf, lion, tiger) are labeled as "consumers"
- Animals consume/eat other organisms for energy
- Answer: consumers

3. "Mushrooms and bacteria are called ________________"
- From the diagram, mushrooms and bacteria are labeled as "decomposers"
- They break down dead animals into minerals
- Answer: decomposers

Part 2: Complete with words from the box (Producer — Consumer — Decomposer)

Now I need to classify each organism shown:

1. Grass/plant - This is a plant that makes its own food using sunlight
- Answer: Producer

2. Frog - This is an animal that eats other organisms (insects, etc.)
- Answer: Consumer

3. Grasshopper/insect - This is an animal that eats plants
- Answer: Consumer

4. Snake - This is an animal that eats other animals
- Answer: Consumer

5. Mushroom - This breaks down dead organic matter
- Answer: Decomposer

6. Boy/human - Humans eat plants and/or animals
- Answer: Consumer

Final Answer:

Complete the sentence:
- Plants are called producers
- Animals are called consumers
- Mushrooms and bacteria are called decomposers

Complete with the words in the box:
1. Grass → Producer
2. Frog → Consumer
3. Grasshopper → Consumer
4. Snake → Consumer
5. Mushroom → Decomposer
6. Boy → Consumer