Energy Flow in Ecosystems
Explore the concepts of energy flow, food chains, food webs, and the roles of producers, consumers, and decomposers in ecosystems for Grade 6 science.
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Energy Flow in Ecosystems
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Read each question carefully and answer to the best of your ability. Use the provided space for your answers.
1. Which of the following organisms produces its own food using sunlight?
Lion
Rabbit
Tree
Fungus
2. What is the primary source of energy for almost all ecosystems on Earth?
Water
Sunlight
Soil
Wind
3. Organisms that eat other organisms are called .
4. A shows how energy flows from one organism to another in an ecosystem.
5. Decomposers break down dead organisms and return to the soil.
6. Explain the difference between a food chain and a food web.
7. Observe the food web below. Identify one producer, one primary consumer, and one secondary consumer.
Producer:
Primary Consumer:
Secondary Consumer:
8. All the energy in an ecosystem eventually returns to the sun.
True
False
9. Herbivores are organisms that only eat plants.
True
False
Use the words below to complete the sentences.
10. An organism that eats both plants and animals is called an .
11. Fungi and bacteria are examples of .
12. A plant is an example of a because it makes its own food.