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Chapter 21: Community Ecology |
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Welcome to Modern Biology. Chapter 21 describes how evolution shapes the interactions among species in a community. Use the links below to find learning tools that will help you review the chapter and extend your study of how species interact. |
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Review and Practice |
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Reading Skills: K-W-L
This worksheet will help you organize your thoughts before and after you read the chapter or an article.
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Glossary: Chapter 21
Use this handy list of terms to help you understand the new vocabulary in this chapter.
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Vocabulary Skills: Environmental Enigma
Click here for a worksheet that will help you study the vocabulary for this unit.
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Quick Lab: How Can You Model Succession?
Create a small ecosystem, and measure how organisms modify their environment.
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Homework Help: Chapter 21 Study Guide
Do you understand the vocabulary and concepts in this chapter? Select one of the sections listed below for a worksheet that guides you through the important points to know.
Section 21.1 ||
Section 21.2 ||
Section 21.3
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Quiz Yourself: Community Ecology
Click here to test your knowledge of community ecology.
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Teacher Notes
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Enrichment and Extension |
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Online Research: SciLinks
Visit NSTA's SciLinks Web site, which links you to some of the most up-to-date science information on the Internet. When you get to the site, log in, and then enter a keyword for the topic you want to research. The topics and keywords for Chapter 21 are listed below.
TOPIC: Symbiosis
SciLinks CODE: HM398
TOPIC: Competition
SciLinks CODE: HM401
TOPIC: Species interactions and richness
SciLinks CODE: HM405
TOPIC: Succession
SciLinks CODE: HM406
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Career: Research Wildlife Biologist
Do you like to watch ants, snakes, squirrels, and frogs just to see what they will do next? Find out what it is like to be a wildlife biologist by clicking here.
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Society: Fires in Yellowstone
Firefighters have allowed fires to burn freely in our national parks. What would you do?
Read this article and decide whether you think the firefighters behaved responsibly.
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