Name Biomes and Ecosystems Date How do Earth s biomes and ecosystems differ? Before You Read Before you read the chapter, think about what you know about biomes and ecosystems Record your thoughts in the first column Pair with a partner, and discuss his or her ideas Write those ideas in the second column Then record what you both would like to share with the class in the third column Think Pair Share Chapter Vocabular y Lesson 1 Lesson 2 Lesson 3 NEW biome desert grassland temperate taiga tundra NEW salinity wetland estuary intertidal zone coral reef NEW ecological succession climax community pioneer species eutrophication REVIEW community Biomes and Ecosystems 197
Lesson 1 Land Biomes Scan Lesson Read the headings and bold words Look at the pictures Identify three facts that you discovered about land biomes Record your facts in your Science Journal Land Ecosystems and Biomes Define biome Biome: Identify biotic and abiotic features Circle biotic features in blue Circle abiotic features in red air birds water insects sunlight soil mosses trees mammals Identify Earth s 7 major land biomes 4 5 6 7 Define a desert Desert: Identify factors that describe deser ts Circle the best choices rainfall: low / high daytime temperatures: hot / cold nighttime temperatures: soil hot / cold thin / thick 198 Biomes and Ecosystems
Describe plant and animal adaptations to deserts Plants: Animals: Identify one way that humans impact deserts Define grassland Grassland: Organize information about grassland biomes Grasslands Also called: Climate: season alternates with season 3 cereal crops grown here: Identify animals common in grasslands Circle any that you know are predators North American Grassland African Savanna Australian Grassland Explain one way that humans impact grasslands Biomes and Ecosystems 199
Summarize 4 features of tropical rain forests Weather: Soil: Sunlight: 4 Biodiversity: Identify living things in tropical rain forests Plants: Animals: Harmful: Evaluate human impact on tropical rain forests Beneficial: Model the location of Earth s regions Locate the tropics, polar, and temperate regions equator Winters: Point out the features of temperate rain forests Summers: Soil: 4 Common plants: pole Record three examples of trees common to temperate rain forests 200 Biomes and Ecosystems
Summarize the impact of logging on temperate rain forests Trees are a source of Logging destroys enables trees to grow back Winters: Point out the features of a temperate deciduous forest Summers: Soil: Organize information about adaptations to seasonal changes in temperate deciduous forests Temperate Deciduous Forest Fall Deciduous plants Winter Animals Spring Plants or Plants Evaluate human impact on temperate deciduous forests Past Now Biomes and Ecosystems 201
Point out five features of the taiga biome Location: Definition: Winters: 4 Summers: 5 Soil: Evaluate human impact on the taiga Cause Effect cutting trees for lumber Summarize features of the tundra Location: Winters: Summers: 4 Soil: 5 Growing season: Evaluate human impact on the tundra Cause Effect drilling for oil and gas Identify three features that all land biomes share 202 Biomes and Ecosystems