Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Ecosystems

40,497 views

Published on

A Powerpoint about Ecosystems. Find it here:
http://www.salem.k12.va.us/staff/jcox/powerpoints/science.htm

Published in: Education, Technology

Ecosystems

  1. 1. ECOSYSTEMS
  2. 2. Living things + Nonliving things ECOSYSTEM
  3. 3. Living things in an ecosystem are called a… COMMUNITY
  4. 4. Population Population + Population COMMUNITY
  5. 5. All energy in a food web comes from the… SUN
  6. 6. What makes ecosystems different? Amount of water Amount of sunlight Type of soil 1 2 3
  7. 7. Name the three members in every community. Producers Consumers Decomposers
  8. 8. What causes ecosystems to change? Natural causes: Drought Disease Fire Overpopulation 3 2 1 4
  9. 9. What causes ecosystems to change? Changes caused by humans: Water pollution Air pollution Land pollution Construction 1 2 3 4
  10. 10. How can humans help to prevent changes in ecosystems? Use resources wisely Laws that control pollution Clean up litter Keep rivers and lakes clean 1 2 3 4

×