SECTION LIFE IN THE EARTH SYSTEM 15.1 Study Guide

[Pages:2]SECTION

15.1

LIFE IN THE EARTH SYSTEM

Study Guide

KEY CONCEPT

The biosphere is one of Earth's four interconnected systems.

VOCABULARY biosphere biota

hydrosphere atmosphere

geosphere

MAIN IDEA: The biosphere is the portion of Earth that is inhabited by life. Write a description of each Earth system in the table below.

Earth System 1. biosphere

Description

2. hydrosphere

3. atmosphere

4. geosphere

5. What is the connection between the biota and the biosphere? 6. Use an example to explain how the four Earth systems are connected.

Copyright by McDougal Littell, a division of Houghton Mifflin Company

CHAPTER 15 The Biosphere

The Biosphere Study Guide Book

Study Guide 155

Section 15.1 STUDY GUIDE CONTINUED

7. Fill in the following diagram with the correct term (biosphere, biota, hydrosphere, atmosphere, geosphere).

CHAPTER 15 The Biosphere

Copyright ? McDougal Littell/Houghton Mifflin Company.

MAIN IDEA: Biotic and abiotic factors interact in the biosphere. 8. In your own words, describe the Gaia hypothesis.

Vocabulary Check

Choose the word from the box below that best matches up with each Earth system.

air

water

earth

life

9. Atmosphere 10. Biosphere 11. Geosphere 12. Hydrosphere

156 Study Guide

The Biosphere Study Guide Book

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