1. Unit 4 Lesson 2 What Are Food Chains?
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2. Food Chains We are fed by the sun !!
Unit 4 Lesson 2 What Are Food Chains?
Food Chains
We are fed by the sun !!
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3. Food Chains Unit 4 Lesson 2 What Are Food Chains? 3
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4. Unit 4 Lesson 2 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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5. Food Chains Producers Unit 4 Lesson 2 What Are Food Chains? 5
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6. Food Chains Unit 4 Lesson 2 What Are Food Chains? 6
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7. Food Chains Unit 4 Lesson 2 What Are Food Chains? 7
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8. Food Chains Unit 4 Lesson 2 What Are Food Chains? 8
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9. You are what you eat Consumers Eat other living things.
Unit 4 Lesson 2 What Are Food Chains?
You are what you eat
Consumers
Eat other living things.
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10. Unit 4 Lesson 2 What Are Food Chains?
You Are What You Eat
Consumers can be grouped according to the types of food they eat.
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11. You Are What You Eat Unit 4 Lesson 2 What Are Food Chains? 11
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12. You Are What You Eat Unit 4 Lesson 2 What Are Food Chains? 12
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13. You Are What You Eat Unit 4 Lesson 2 What Are Food Chains? 13
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14. Unit 4 Lesson 2 What Are Food Chains?
You Are What You Eat
Consumers can be grouped according to the types of food they eat.
A consumer that eats only plants is an herbivore. A zebra is an herbivore. It eats grasses and other plants.
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15. Unit 4 Lesson 2 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. A vulture is a scavenger.
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16. Unit 4 Lesson 2 What Are Food Chains?
You Are What You Eat
Are these animals herbivores, carnivores, omnivores, or scavengers?
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17. You Are What You Eat Unit 4 Lesson 2 What Are Food Chains? 17
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18. Game time You Are What You Eat Unit 4 Lesson 2 What Are Food Chains?
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19. Changes in Food Webs Q3 cw2
Unit 4 Lesson 2 What Are Food Chains?
Changes in Food Webs Q3 cw2
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20. Changes in Food Webs Q2 CW 2
Unit 4 Lesson 2 What Are Food Chains?
Changes in Food Webs Q2 CW 2
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21. Unit 4 Lesson 2 What Are Food Chains?
Hunt or Be Hunted
Consumers can also be grouped by whether they hunt or are hunted.
A predator is an animal that hunts other animals. A lion is a predator.
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22. Unit 4 Lesson 2 What Are Food Chains?
Hunt or Be Hunted
An animal that is eaten is called prey. Deer and elk are prey for wolves in the Rocky Mountains.
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23. Unit 4 Lesson 2 What Are Food Chains?
Hunt or Be Hunted
An animal can be both a predator and prey. For example, a frog might eat insects; however, a snake might eat the frog.
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24. Food Chains Q1 CW1 Unit 4 Lesson 2 What Are Food Chains? 24
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25. Q4 CW1 Unit 4 Lesson 2 What Are Food Chains? 25
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26. Q6 cw1 Unit 4 Lesson 2 What Are Food Chains? 26
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27. Activity Unit 4 Lesson 2 What Are Food Chains? 27
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28. Food Webs Many living things eat more than one type of food.
Unit 4 Lesson 2 What Are Food Chains?
Food Webs
Many living things eat more than one type of food.
A food web shows the relationship among different food chains.
Food web models use arrows to show who eats what.
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29. Q7 CW 1 Unit 4 Lesson 2 What Are Food Chains? 29
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30. Food Webs Q1 CW 2 Make a food chain with these desert organisms.
Unit 4 Lesson 2 What Are Food Chains?
Food Webs
Q1 CW 2
Make a food chain with these desert organisms.
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31. Changes in Food Webs Unit 4 Lesson 2 What Are Food Chains? 31
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32. Changes in Food Webs (In very cold weather)
Unit 4 Lesson 2 What Are Food Chains?
Changes in Food Webs (In very cold weather)
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33. Unit 4 Lesson 2 What Are Food Chains?
Changes in Food Webs
Changes in food webs can affect all parts of a 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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34. Changes in Food Webs Unit 4 Lesson 2 What Are Food Chains? 34
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35. Changes in Food Webs Unit 4 Lesson 2 What Are Food Chains? 35
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36. Unit 4 Lesson 2 What Are Food Chains?
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37. Unit 4 Lesson 2 What Are Food Chains?
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38. Unit 4 Lesson 2 What Are Food Chains?
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