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Why do plants and animals live in different places and what happens when those places change? Lesson 1 Animal Adaptations Lesson 2 Plants and Their Surroundings.

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Presentation on theme: "Why do plants and animals live in different places and what happens when those places change? Lesson 1 Animal Adaptations Lesson 2 Plants and Their Surroundings."— Presentation transcript:

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2 Why do plants and animals live in different places and what happens when those places change? Lesson 1 Animal Adaptations Lesson 2 Plants and Their Surroundings Lesson 3 Changes in Ecosystems Chapter 4 Menu

3 adaptation hibernate camouflage mimicry Lesson 1 Splash

4 What are adaptations? A camel’s hump stores fat for times when food is scarce. Lesson 1 a

5 What are some other adaptations of animals? The dormouse hibernates in its nest. The snow leopard blends into its environment to help it survive. Lesson 1 b

6 These reef fish eat the algae that grow on the shells of sea turtles. How else do animals survive? Lesson 1 c

7 How do adaptations help animals survive in their environments? Main Idea Adaptations can help an animal to find food. They can help animals to hide from predators. They can help animals to hunt for prey. They can allow animals to move in certain environments. Main Idea Review

8 An adaptation in which one living thing looks similar to another living thing is called _________. A trait or behavior that helps a living thing survive in its environment is an ___________. To survive cold winters, some animals _________. An animal that blends in with its surroundings uses ___________. adaptation camouflage Vocabulary hibernate mimicry Vocabulary Review

9 Predict Suppose someone moved a polar bear to a rain forest. Predict how the bear might survive there. The bear would shed most of its fur and fat because the rain forest is very warm. It would take a very long time for a polar bear to adapt to this environment. The polar bear would not survive. End of Lesson G.O. Review

10 Vocabulary a

11 Vocabulary b

12 Vocabulary c

13 Vocabulary d

14 stimulus tropism Lesson 2 Splash

15 How do plants respond to their environment? Tropism is the reaction of a plant to something in its environment. Tropism experiment Lesson 2 a

16 What are some plant adaptations? A cactus has soft tissue that holds water just like a sponge. It also has a thick waxy cover to keep the water inside. Lesson 2 b

17 How do plants respond to their environments? Give at least three examples. Main Idea Plants can grow toward or away from a stimulus, such as light, water, or gravity. Main Idea Review

18 A _________ is something in the environment that causes a living thing to react. _________ is the reaction of a plant to something in its environment. stimulus Vocabulary tropism Tropism Vocabulary Review

19 Problem and Solution End of Lesson How could you show that plants respond to changing temperatures? Grow plants in different temperatures, with all other conditions being equal. Observe the plants to determine how different temperatures affect growth. Record your data and place plants in temperatures where they grow best. G.O. Review

20 Vocabulary a

21 Vocabulary b

22 accommodation endangered extinct Lesson 3 Splash

23 Mount Saint Helens in 1995 What causes an ecosystem to change? Mount Saint Helens in 1980 Lesson 3 a

24 a subway car being sunk an airplane being sunk concrete “reef balls” on the sand How do people change ecosystems? Manufactured Ecosystems Lesson 3 b

25 The passenger pigeon was hunted into extinction in What happens when ecosystems change? The Tasmanian tiger was declared extinct in Lesson 3 c

26 How can people prevent extinction? The giant panda is an endangered species. Lesson 3 d

27 List six events that change ecosystems. Choose four natural events and four caused by people. Main Idea Natural events: storms, earthquakes, droughts, volcanic eruptions Changes caused by people: farming, mining, land development, pollution Main Idea Review

28 When a species no longer exists, it is __________________. An individual’s response to change is called an __________________. If a living thing has few of its kind left it is __________________. accommodation endangered Vocabulary extinct Vocabulary Review

29 What happens when a forest is cut down to build a power plant? A forest is cut down to build a power plant. Cause and Effect End of Lesson Organisms that live in the forest must move to a new ecosystem, accommodate the power plant, or become extinct. G.O. Review

30 Vocabulary a

31 Vocabulary b

32 Vocabulary c


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