Students analyze food chains and the roles of producers, consumers, and decomposers. Part A has four multiple-choice questions about the role of a rabbit in a food chain, identifying a forest producer, and what happens if decomposers disappear. Part B has five fill-in-the-blank problems about tertiary consumers, the definition of a producer, and examples of decomposers.
Reasoning about missing links in a food chain develops ecological systems thinking beyond simple identification.
Style:
Habitats and Ecosystems
Part A: Multiple Choice
Circle the best answer for each question.
1. In the food chain sun → grass → rabbit → hawk, what is the rabbit?
A) producer
B) decomposer
C) consumer
D) predator only
2. Which of these is a producer in a forest food chain?
A) mushroom
B) oak tree
C) squirrel
D) fox
3. What would most likely happen if all the decomposers in a forest disappeared?
A) More plants would grow.
B) Dead leaves and animals would pile up.
C) Herbivores would have more food.
D) Rain would stop falling.
4. Which habitat has very little rainfall and extreme temperatures?
A) forest
B) ocean
C) grassland
D) desert
Part B: Fill in the Blank
Write the correct answer on each line.
1. A hawk that eats a snake that ate a mouse is called a tertiary consumer.
2. Grass is a producer because it makes food from sunlight.
3. Worms and fungi are examples of decomposers.
4. A food chain always starts with a producer.
5. Animals that are hunted by other animals are called prey.
Habitats and Ecosystems
★ Part A: Multiple Choice
Circle the best answer for each question.
1. In the food chain sun → grass → rabbit → hawk, what is the rabbit?
A) producer
B) decomposer
C) consumer
D) predator only
2. Which of these is a producer in a forest food chain?
A) mushroom
B) oak tree
C) squirrel
D) fox
3. What would most likely happen if all the decomposers in a forest disappeared?
A) More plants would grow.
B) Dead leaves and animals would pile up.
C) Herbivores would have more food.
D) Rain would stop falling.
4. Which habitat has very little rainfall and extreme temperatures?
A) forest
B) ocean
C) grassland
D) desert
★ Part B: Fill in the Blank
Write the correct answer on each line.
1) A hawk that eats a snake that ate a mouse is called a tertiary consumer.
2) Grass is a producer because it makes food from sunlight.
3) Worms and fungi are examples of decomposers.
4) A food chain always starts with a producer.
5) Animals that are hunted by other animals are called prey.
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