By Leanne Currie-McGhee

The fingers on technological know-how sequence offers scholars with heritage on key strategies in technology. every one name comprises enticing fingers on workouts that deliver the thoughts to existence for children. actual international technological know-how: retaining Ecosystems, offer info on average alterations vs. alterations led to through humans, clever use of ecosystems, and restoring broken ecosystems.

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P OH P OH Davis, Barbara. Biomes and Ecosystems. Strongsville, : Gareth Stevens ublishing, 2007. S. cfm Information about wetlands conservation c sc R eal World ien e: Protecting Ecosystems 31 Index geologic change, 7 green roofs, 27–28 E national parks, 20–21 native species, 9 natural changes, 4–9 ew Jersey Conservation oundation, 26 A P Malaysia, 14 Marine Stewardship Council (MSC), 21 medicines, 19 Mount spiring ational ark, 7 A P ational ark, 21 lakes, 12–14 landslides, 7 N H Kruger W R Jamaica, 12 Jockey ollow ast Mine, 25 deforestation, 14–15 ecosystems changes in, 4–9 composition of, 4 impact of humans on, 10–15 restoring damaged, 23–28 unbalanced, 5 wise use of, 16–22 elephants, 19–20 rain forests, 14–15, 17–19 eal orld Science Challenge, 5, 12, 17, 25 reef balls, 24 reforestation, 24–25 regulations, 16–17 river ecosystems, 12, 27–28 invasive species, 9, 26 H cashew nuts, 18 Chaitén volcano, 6 changes human-caused, 10–15 natural, 4–9 China, 13–14 Clean ater ct, 21 coal mining, 25 coral reefs, 7, 12, 21, 23–24 A T W palm oil, 14 pollution, 12–14, 15, 27–28 habitat destruction, 7 humans, impact of on ecosystems, 10–15 urricane Katrina, 8–9 R A bacteria, 12 Bagrax Lake, 13 Boy Scouts, 26 Brazil, 18 Bridger- eton forest, 26 A ocean ecosystems, 12 oil, 14–15 overfishing, 11–12 fish, 11–12, 21 fishing, sustainable, 16–17, 21 N A frica, 19–21 algae, 12 nacostia iver, 27–28 rrowCorps5 project, 26 savannas, 19–21 sewage, 27–28 South frica, 20–21 storm water, 27–28 storms, 8–9 succession, 8 sustainable fishing, 16–17, 21 tallow trees, 9 tsunami, 7 volcanoes, 6–7 water pollution, 12–14, 15, 27–28 weather, 4, 8–9 wetlands, 21, 25–26, 28 F N About the Author Leanne Currie-McGhee lives in A N orfolk, Virginia, with her daughter, Grace, and husband, Keith.

Less storm water gets into the sewer L 21st Century Skill s 2 ibrary Real World Science Challenge Answers Chapter Three age 17 ach plant should have grown to a different height. lant number one should have grown the least. lant number three should have grown the most. his shows how a change in weather can affect the rest of the ecosystem. If a forest gets fewer sunny days than normally, the plants get less sunlight. hen the plants will not grow as much. his will affect the rest of the ecosystem.

Lant number one should have grown the least. lant number three should have grown the most. his shows how a change in weather can affect the rest of the ecosystem. If a forest gets fewer sunny days than normally, the plants get less sunlight. hen the plants will not grow as much. his will affect the rest of the ecosystem. lant-eating animals will have less food and could die or leave the forest. ne way to protect the fish is to take care of the plant life on the shore. lants’ roots keep soil from going into the water.

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