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Habitats

Biome Characteristics

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Tropical forest Within 23 N/S Canopy 4% of land space, but 20% photosynthesis of the Earth most diverse species on Earth Tall trees- Tropical dry forests Tropical deciduous forests Tropical rain forests Dim floor Epiphytes cover trees Savannas Tropic/subtropic grass land Rainy/dry seasons Scattered trees Mammals move deserts 23 N/S Low/unpredictable rains Hot and cold CAM photosynthesis plants Water storage adaptation Draught-resistant plants chaparral Along coastlines in midlatitudes Mild/rainy winter Hot/dry summer Dense, spiny evergreen shrubs Maintained by periodic fire Temperate grass land NE USA etc Deep and rich soil in nutrition Low total annual rain Inhospitable for forest Maintained by fire/drought/grazing Temperate deciduous forests

AP Environmental Science CH 7 Test

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Chapter 7 CLIMATE AND TERRESTRIAL BIODIVERSITY Multiple Choice Questions Core Case Study Which of the following statements about the earth?s winds is not true? Wind circulates moisture. Wind circulates plant nutrients. Wind increases global warming gases. Wind stimulates algal blooms in the Pacific. Wind carries banned pesticides into the U.S. Level: Moderate Answer: C ? 7-1 What Factors Influence Climate? Which of the following is a local area?s short-term temperature, precipitation, and humidity? climate weather biomes ecosystems currents Level: Easy Answer: B Where does the largest input of solar energy occur? North pole South pole 30o N 30o S equator Level: Easy Answer: E Prevailing winds are the result of what? temperature

ecology

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Ecology-A Study of Relationships Ecology means the study of the home Ecology is the study of organisms in their natural environment Biosphere is everywhere that life exists Viewing planet Earth from Space Satellites are an economical way to gather data; they have sensors, these gather data quickly from a very large region, and they last a long time Electromagnetic radiation Total ozone-mapping spectrometer Understanding environmental interactions allows us to predict the effects of human activity Biomes- Climatic Zones of Life Biome- a large geographic region determined by the climate and soil type Climate- average weather pattern over a long period of time Ecosystem- a Functional Unit Ecosystem is the Functional Unit because biome is too big to conduct research

Tropical grassland Biome Power Point

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Tropical Grasslands/ Savannas Tropical Grasslands are found between 5 and 15 degrees north and south of the Equator. They are very popular in central Africa, but are also found in Venezuela, Mexico, and India. One place in particular is Mumbai, India Average annual precipitation : 20-50 inches (Which must fall in 6-8 months of the year, with long droughts following when fires can occur. Otherwise grasslands would turn into tropical forests) Temperature: Average High-30? Celsius, Average Low- 13? Celsius In regions with high amounts of rainfall, vegetation is controlled by periodic fires (limiting factor). Three types: Climatic Savannas: Result from climatic conditions Edaphic savannas: Soil conditions that are not regularly maintianed by fires
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