Energy Flow in Ecosystems
Explore the concepts of energy flow, food chains, food webs, and the roles of producers, consumers, and decomposers in an ecosystem 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. Show all your work where applicable.
1. What is the primary source of energy for almost all ecosystems on Earth?
Water
Sunlight
Minerals
Soil
2. An organism that makes its own food is called a:
Consumer
Decomposer
Producer
Scavenger
1. Organisms that eat other organisms for energy are called .
2. A shows how energy is transferred from one living thing to another.
3. Fungi and bacteria are examples of because they break down dead organisms.
Observe the food chain diagram below and answer the questions.
1. What is the producer in this food chain?
2. What is the primary consumer in this food chain?
1. A food web is made up of only one food chain.
True
False
2. Decomposers return nutrients to the soil.
True
False
1. Explain the difference between a food chain and a food web.
2. Give an example of a producer, a consumer, and a decomposer in your local ecosystem.
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