Lesson 4.10.2

Lesson 2 - Populations

Get Focused

Populations can change in terms of their population numbers and demographic compositon. In this lesson we will investigate the mechanisms of population change and the methods and tools used to measure those changes.

Consider the following essential questions as you complete Lesson 2 :

  • What is a population ?
  • What is natality ?
  • What is mortality ?
  • What factors affect population growth and/or population decrease

explore Explore

Click on the link below to explore the content.

Content link for Lesson 4.10.2

 

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 482 - 487 in the Science 20 textbook

Topic 4.8.3 Text

Self Check

Try the knowledge questions on page 487 of your Science 20 text book to check your comprehension.

Watch and Listen

Video or multimedia content

Sci20 tut# 4.8.2 Tutorial Video

 

 

 

Reflect and Connect

The human population of Earth has been increasing dramatically over the last century. Based on the current rate of population growth, when will the Earth achieve it's carrying capacity ? Investigate and report your findings to the discussion forum.

Module 10 : Lesson 2 Assignment.

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

Sci20 4.10.2 online assignment

Lesson Summary

In this lesson you learned about changes in populations including the factors that affect population change and thing that limit population increase.

Lesson 3 will investigate changes within individual which affect populations.