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Food Chains
Living Things Depend on Each Other
Making and Getting Food Interact with environment Why do animals interact with the
environment to get their food? Plants are producers What is a producer? An animal is a consumer. What is a consumer?
Consumers
Animals cannot make their own food. Animals are consumers. A consumer is a living thing that eats
other living things. Consumers are grouped by what they
eat.
Herbivores
What are herbivores?
Carnivores What are
carnivores?
Omnivores What are
omnivores?
Decomposers What is a
decomposer?
Review How do producers get their food? How do consumers get their food? What are the three groups of consumers? How do decomposers help keep the
environment clean? Which of the following is NOT a consumer?
A. bird C. squirrel
B. tree D. human
Food and Energy What is a food
chain? Grasshoppers eat grass
Frogs eat grasshoppers.
Owls eat frogs
All plants are producers.
The owl dies and fertilizes the plants.
Energy Pyramid What is an energy
pyramid?
Plants
Plant-eating animals
Animals that eat other animals
Animals that are not usually eaten by other animals
Review How does energy get from a producer to a meat-eating
consumer? What kind of living thing is at the top of a food chain? Where is the most food energy in an energy pyramid found? What is the source of all the energy on Earth? Which is passed in a food chain from one living thing to
another?
A. producers C. sunlight
B. animals D. energy
Summary Plants and animals interact. Plants are producers. Animals are consumers. Decomposers get food by breaking down wastes or dead
things. Living things get their energy from food. Animals cannot make their own food, so they eat other living
things. A food chain is the flow of food in an ecosystem from one
living thing to another. An energy pyramid show that the amount of usable energy in
an ecosystem is less for each higher animal in the food chain.
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