1. Unit 10 Lesson 3 What Are Food Chains?
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2. Unit 10 Lesson 3 What Are Food Chains?
Florida Benchmark
SC.4.L.17.3 Trace the flow of energy from the Sun as it is transferred along the food chain through the producers to the consumers.
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3. Unit 10 Lesson 3 What Are Food Chains?
A food chain is the transfer of food energy in a sequence of living things.
In a diagram of a food chain, arrows show how energy moves.
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4. Unit 10 Lesson 3 What Are Food Chains?
You Are What You Eat
Consumers are grouped according to the kind of food they eat.
A consumer that eats only plants is an herbivore. A zebra is an herbivore.
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5. Unit 10 Lesson 3 What Are Food Chains?
You Are What You Eat
A consumer that eats other animals is a carnivore. A lion is a carnivore.
A consumer that eats both plants and animals is an omnivore. People are omnivores.
A consumer that eats dead plants and animals is a scavenger. Vultures are scavengers.
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6. Unit 10 Lesson 3 What Are Food Chains?
You Are What You Eat
Are these animals herbivores, carnivores, omnivores, or scavengers?
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7. Unit 10 Lesson 3 What Are Food Chains?
Hunt or Be Hunted
Consumers are grouped by whether they hunt or are hunted.
A predator is an animal that hunts other animals.
An animal that is eaten is called prey.
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8. Food Webs Many living things eat more than one kind of food.
Unit 10 Lesson 3 What Are Food Chains?
Food Webs
Many living things eat more than one kind of food.
A food web shows the relationship among different food chains.
Food web models use arrows to show what eats what.
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9. Food Webs Make a food chain with these living things.
Unit 10 Lesson 3 What Are Food Chains?
Food Webs
Make a food chain with these living things.
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10. Unit 10 Lesson 3 What Are Food Chains?
Changes in Food Webs
Changes in a food web affect all living things in the food web.
If a living thing disappears from a food web, all living things that depend on it are affected.
If a living thing is too numerous, resources such as food, water, and living space become limited.
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