The key to success in teaching a unit on ecology is to provide good instruction followed by a good review exercise.
This PowerPoint consists of 49 slides of questions and answers and provides an excellent review for the chapter test. I use this review PowerPoint after completing the material in this unit: Humans and the Environment PowerPoint and Notes.
This is NOT a teaching PowerPoint. It is strictly for review purposes. Each slide has one question followed by one answer.
The questions are of varying difficulty levels. Many of the questions are basic and concrete in nature, but many of the questions involve critical thinking and problem solving skills.
This set of questions is perfect for any type of game format. Students can form groups and compete with one another during the review exercise. The review PowerPoint can also be used in a computer lab with each student reviewing independently and silently.
This review PowerPoint is appropriate for any biology or life science class with students in grades 7 - 12.
Topics covered in this review are:
1. Renewable and Nonrenewable Resources: Definitions and examples.
2. Land resources: The importance of land, land as a renewable resource, composition of soil, human impact on soil, erosion, desertification, good land management.
3. Forest resources: The importance of forests as a producer of human good and services, the ecological role of the forests, renewable forests, nonrenewable forests, old growth forests, deforestation, good management of forests.
4. Fishery resources: The importance of fisheries to humans and to the environment, overfishing, fisheries as a renewable resource, aquaculture.
5. Air resources: Air quality, smog, the pollutants in smog, the burning of fossil fuels, acid rain.
6. Freshwater resources: Water use by humans, how pollutants enter the water supply, the role of nature in the cleaning and purifying of water.
7. The Human Influence on the Biosphere: Ozone depletion, rising levels of carbon dioxide, population growth.
8. Ozone Depletion: Definition of ozone, importance of ozone in our atmosphere, the harmful effects of ultraviolet radiation, how humans are causing the destruction of the ozone, chlorofluorocarbons (CFC's), global regulations of CFC's.
9. Increasing Levels of Carbon Dioxide: The role of carbon in the carbon cycle, the addition of too much carbon dioxide to the atmosphere, the danger of rising carbon dioxide levels, global warming, greenhouse effect.
10. Human Population Growth: Estimation of future population size and the effect this will have on our planet.
11. Biodiversity: Definition of biodiversity, how biodiversity is measured, the importance of biodiversity, ways biodiversity is lost, extinction, the threat of pollution to biodiversity, the use of DDT in the environment, biological magnification, the threat of invasive species.
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Amy Brown (Science Stuff)