Explore how energy moves through ecosystems via food chains and food webs, and understand the roles of producers, consumers, and decomposers.
Answer in complete sentences. Use vocabulary: producer, consumer, decomposer, predator, prey, herbivore, carnivore, omnivore.
Trace energy flow through food chains and describe how organisms depend on each other.
Biology - Grade 4-5
- 1
What is a producer? Give one example.
- 2
A rabbit eats grass, and a hawk eats the rabbit. Write this as a food chain.
- 3
What role do decomposers play in an ecosystem?
- 4
Is a bear a herbivore, carnivore, or omnivore? Explain.
- 5
If all the rabbits in an ecosystem disappeared, what might happen to the hawk population?
- 6
Why do all food chains start with plants (or other producers)?
- 7
Name two ways humans can negatively affect an ecosystem.
- 8
What is the difference between a food chain and a food web?