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CHAPTER 50 AN INTRODUCTION TO ECOLOGY AND THE BIOSPERE Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings Section C2: Aquatic and Terrestrial Biomes (continued) 2. The geographic distribution of terrestrial biomes is based mainly on regional variations in climate
Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings Fig
These areas are defined by their abiotic and biotic factors. Vertical stratification is also important in these biomes. The canopy of the tropical rain forest is the top layer, covering the layers below. The permafrost in the tundra is a permanently frozen stratum that lies under ground. The species composition of any biome differs from location to location. Human activity has radically altered the natural patterns of many biomes. Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings
Tropical forests are close to the equator, receive high amounts of rainfall (although this can vary from region to region), and contain a great variety of plants and animals. The vegetation is layered, with the canopy being one of the top layers. Fig a Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings
Savannas are grasslands with scattered trees, that show distinct seasons, particularly wet and dry. They have many types of plants and animals. Fire is an important abiotic factor. Fig b Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings
Deserts have low rainfall, and are generally hot. Vegetation is usually sparse, and includes cacti and succulents. Many animals are nocturnal, so they can avoid the heat. Fig c Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings
Chaparrals have mild wet winters and dry hot summers. They contain dense spiny, evergreen shrubs and have periodic fires. Some plants produce seeds that will only germinate after a fire. Fig d Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings
Temperate grasslands exhibit seasonal drought, occasional fires, and are usually used for grazing and agriculture. Fig e Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings
Temperate deciduous forests contain dense stands of trees and have very cold winters and hot summers. The trees lose leaves and go dormant in winter. This biome includes a large variety of plants and animals. Humans have logged many of these forests around the world. Fig f Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings
Coniferous forests are the largest terrestrial biome on earth. They exhibit long cold winters and short wet summers. Conifers inhabiting them are adapted for the climate. Conifer forests are home to various animals, some of which hibernate. Fig g Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings
Tundra contains low growing plants. The climate is windy and cold which causes a short growing season. A layer of permafrost is found below 1 meter and does not thaw, which prevents root growth; not many animals live in tundra biomes. There are two types, arctic, which is found in areas of Alaska and the Arctic circle, and alpine, which is found on very high mountaintops. Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings
Fig h Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings
Objective: Students will describe biotic and abiotic parts of an ecosystem in which organisms interact; and compare these interactions terrestrial ecosystems.
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Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings PowerPoint ® Lecture Presentations for Biology Eighth Edition Neil Campbell.
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BIOMES. INSTRUCTIONAL OBJECTIVES 1.Describe how plants determine the name of a biome. 2.Explain how temperature and precipitation determine which plants.
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The Biomes of Earth Whats a Biome? Biome - Major types of ecosystems on land (not in the oceans) Similar biomes can exist in many places, but the.
Chapter 6 – Biomes Living World Unit. Major world biomes Desert Tropical Rain Forest Deciduous Forest (temperate and tropical) Savannah/Grasslands ( temperate.
Biology AHSGE: Standard XV Biomes of the World. Biomes and Native Organisms CONTENT STANDARD 15. Identify biomes based on environmental factors and native.
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Biomes Definition: large region characterized by a specific kind of climate and certain kinds of plant and animal communities They can be freshwater, marine.
Copyright © 2005 Pearson Education, Inc. Publishing as Benjamin Cummings PowerPoint Lectures for Biology: Concepts and Connections, Fifth Edition – Campbell,
Slide 1 of 54 Copyright Pearson Prentice Hall biology.
Important Maps of Europe. This is a map similar to the on found on page 140 of our textbook. The only difference is the North European Plain is called.
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Biomes of the World 5.1. What is a Biome? -The earth has many ecosystems -Scientists group ecosystems into larger areas called Biomes -There are two main.
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