Chapter 6 Lecture

Chapter 6
Humans in the Biosphere

 

Chapter 6.1
A changing landscape
 

 

Define Vocabulary

Monoculture

Renewable resource

Nonrenewable resource

Sustainable development

 

Activating Prior Knowledge:

 How do you think your daily activities affect the environment?

Read: “Think about it” on page 154

The effect of Human activity

 

Humans affect regional and global environments through agriculture, development and industry in ways that have an impact on the quality of Earth’s natural resources, including soil, water and the atmosphere.

Read pg. 154 (See figure 6-1)

Sustainable development

 

Sustainable development provides for human needs while preserving the ecosystem that produce natural resources.

 

Assessment

 

Complete 6-1 Handout

Answer in a complete sentence

We will go over the answers together.

Complete 6-1 Assessment. Questions 1a, 1b, 2a and 2b.

Chapter 6.2
Using Resources wisely

  

Define Vocabulary

Desertification

Deforestation

Pollutant

Biological magnification

Smog

Acid rain

Using Resources wisely

 

  • Healthy soil supports both agriculture and forestry.
  • It is possible to minimize soil erosion through careful management of both agriculture and forestry.

 

  • The Primary sources of water pollution are industrial and agricultural chemicals, residential sewage and nonpoint sources.
  • Common forms of air pollution include smog, acid rain, green houses gases and particles.

Biological magnification

 See Figure 6-8

What happens to the concentration of the pollutant DDT as you go up the food chain?

http://www.currentscienceevent.org/wp-content/uploads/2011/04/Biomagnification_1.jpg

Assessment

 

Complete 6-2 Handout

Answer in a complete sentence

We will go over the answers together.