Module 10 Changing Populations
Explore the chapters to learn the unit 1 content.
Lesson 4.10.1
Lesson 1- Primary and Secondary Succession
Get Focused
In this lesson we will investigate changes that occur in an ecological community. We will investigate the succession of steps that occur in an area that has a rock substrate as well as the succession of steps that occur in an are that has a previous soil substrate.
Consider the following essential questions as you complete Lesson 1:
- What is succession ?
- What are the differences between primary and secondary succession ?
- What are pioneer species ?
- What is a climax community
Vocabulary
Below is the link to the Science 20 glossary. Make sure you can define the terms associated with this lesson from the glossary
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Read
Read pages 470 - 481 in the Science 20 textbook
Self Check
Try the knowledge questions on page 481 of your Science 20 text book to check your comprehension.
Watch and Listen
Video or multimedia content
Reflect and Connect
After areas have been disturbed by mining and other industrial processes, companies are responsible to reclaim those areas. Which type of succession is this and how effective is the process ? Investigate and post your results on the discussion forum.
Module 10 : Lesson 1 Assignment.
Once you have completed the learning activities for this lesson, you can complete the online assignment.
Sci20 4.10.1 online assignment
Lesson Summary
In this lesson you learned about primary and secondary succession from the perspective of an ecological community.
Lesson 2 will look at changes from the perspective of populations.