Lesson 4.9.2

Lesson 2 - Biotic Factors

Get Focused

The living components of an ecosystem are it's most dynamic component. In this lesson we will look at the structure of living communities and the subcomponents of those communities.

Consider the following essential questions as you complete Lesson 2:

  • What is a population ?
  • What is a habitat ?
  • What are the different types of symbiosis ?
  • What are other relationships that exist between living organisms in an ecosystem

Explore

Click on the link below to explore the content.

Content link for Lesson 4.9.2

Vocabulary

Below is the link to the Science 20 glossary. Make sure you can define the terms associated with this lesson from the glossary

Science 20 Glossary

 

Read Read

Read pages 413 - 422 in the Science 20 textbook

Topic 4.9.2 Text

Self Check

Try the knowledge questions on page 422 of your Science 20 text book to check your comprehension.

Watch and Listen

Video or multimedia content

Sci20 tut#4.9.2 Tutorial Video

 

 

Reflect and Connect

Are inter-specific relationships discussed in this lesson analogous to human interactions ? Post your answer to the discussion forum

Module 9 : Lesson 2 Assignment.

Once you have completed all of the learning activities for this lesson, you can complete the online assignment

Sci20 4.9.2 online assignment

Lesson Summary

In this lesson you learned about the biotic components of an ecosystem.

Lesson 3 will look at the web of life.