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Understanding Ecology and Ecosystems
Learning Objectives <ul><li>Define ecosystems. </li></ul><ul><li>Compare Biotic and Abiotic Factors </li></ul><ul><li>Desc...
Ecology <ul><li>Study of how organisms exist in their environment. </li></ul><ul><li>Explains how nature is organized and ...
Ecosystem <ul><li>Community of living and non-living things within an environment.  </li></ul><ul><ul><li>May be large or ...
Biotic Factors <ul><li>Living things found in an ecosystem. </li></ul><ul><ul><li>Includes plants & animals . </li></ul></...
Abiotic Factors <ul><li>Non-living things found in an ecosystem.  </li></ul><ul><li>Include (but not limited to) water, te...
Is it biotic or abiotic? <ul><li>Quia  “Quiz” </li></ul><ul><li>http://www.quia.com/quiz/244317.html </li></ul>
What is an ecosystem? <ul><li>Write down all of the differences you observe in this picture.  </li></ul><ul><li>Are there ...
Food Relationships in Nature <ul><li>All living organisms need some type of nourishment to live.  </li></ul><ul><ul><li>us...
Food Chain <ul><li>Order in which organisms obtain their food  </li></ul><ul><li>Each species has its own food chain.  </l...
The Main “Players” <ul><li>Producers </li></ul><ul><ul><li>Use energy from the sun to make food </li></ul></ul><ul><ul><li...
<ul><li>http://neuromanagement.files.wordpress.com/2009/03/food-chain.jpg </li></ul>
Food Web <ul><li>Formed by intertwined food chains </li></ul><ul><li>Interconnection of food chains within a community.  <...
Herbivore <ul><li>An animal that eats only plants for food.  </li></ul><ul><li>Aka – Primary Consumer </li></ul>
Omnivores <ul><li>Animals that eat both plants and animals.  </li></ul><ul><li>Consumer </li></ul>
Carnivore <ul><li>An animal that eats only animals for food.  </li></ul><ul><li>Consumer </li></ul>
Other “Player” Names <ul><li>Predator </li></ul><ul><ul><li>Animal that hunts another for food </li></ul></ul><ul><ul><li>...
Food Chains and Food Web Review <ul><li>Quia  “Quiz” </li></ul><ul><li>Food Chain Vocabulary “Rags to Riches” </li></ul><u...
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Environmental Science Introduction For Student Notes

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Introductory notes for environmental science unit

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Environmental Science Introduction For Student Notes

  1. 1. Understanding Ecology and Ecosystems
  2. 2. Learning Objectives <ul><li>Define ecosystems. </li></ul><ul><li>Compare Biotic and Abiotic Factors </li></ul><ul><li>Describe food relationships found in nature. </li></ul>
  3. 3. Ecology <ul><li>Study of how organisms exist in their environment. </li></ul><ul><li>Explains how nature is organized and the roles that each organism plays within its environment </li></ul>
  4. 4. Ecosystem <ul><li>Community of living and non-living things within an environment. </li></ul><ul><ul><li>May be large or small and include air, water, and land </li></ul></ul><ul><li>Two factors found within an ecosystem: </li></ul><ul><ul><li>Biotic </li></ul></ul><ul><ul><li>Abiotic </li></ul></ul><ul><li>Always changing </li></ul>
  5. 5. Biotic Factors <ul><li>Living things found in an ecosystem. </li></ul><ul><ul><li>Includes plants & animals . </li></ul></ul><ul><li>Also is materials that were once living </li></ul><ul><li>Need abiotic factors to live. </li></ul>
  6. 6. Abiotic Factors <ul><li>Non-living things found in an ecosystem. </li></ul><ul><li>Include (but not limited to) water, temperature, type of rock or soil, light, pollutant levels. </li></ul>
  7. 7. Is it biotic or abiotic? <ul><li>Quia “Quiz” </li></ul><ul><li>http://www.quia.com/quiz/244317.html </li></ul>
  8. 8. What is an ecosystem? <ul><li>Write down all of the differences you observe in this picture. </li></ul><ul><li>Are there a number of ecosystems and different organisms thriving in this ecosystem? </li></ul><ul><li>What biotic and abiotic components do you see? </li></ul>
  9. 9. Food Relationships in Nature <ul><li>All living organisms need some type of nourishment to live. </li></ul><ul><ul><li>usually comes from food. </li></ul></ul>
  10. 10. Food Chain <ul><li>Order in which organisms obtain their food </li></ul><ul><li>Each species has its own food chain. </li></ul>
  11. 11. The Main “Players” <ul><li>Producers </li></ul><ul><ul><li>Use energy from the sun to make food </li></ul></ul><ul><ul><li>Living thing that makes its own food </li></ul></ul><ul><ul><li>Start of all food chains </li></ul></ul><ul><ul><li>Largest part of food webs </li></ul></ul><ul><li>Consumers </li></ul><ul><ul><li>Eat other living things for food to survive </li></ul></ul><ul><li>Decomposers </li></ul><ul><ul><li>Breaks down and feeds on the remains of once living things </li></ul></ul><ul><ul><li>Usu. Bacteria and fungi </li></ul></ul>Where do humans fit?
  12. 12. <ul><li>http://neuromanagement.files.wordpress.com/2009/03/food-chain.jpg </li></ul>
  13. 13. Food Web <ul><li>Formed by intertwined food chains </li></ul><ul><li>Interconnection of food chains within a community. </li></ul><ul><li>Animals are grouped according to the types of food they consume. </li></ul><ul><ul><li>These groups include herbivores, carnivores, and omnivores. </li></ul></ul>
  14. 14. Herbivore <ul><li>An animal that eats only plants for food. </li></ul><ul><li>Aka – Primary Consumer </li></ul>
  15. 15. Omnivores <ul><li>Animals that eat both plants and animals. </li></ul><ul><li>Consumer </li></ul>
  16. 16. Carnivore <ul><li>An animal that eats only animals for food. </li></ul><ul><li>Consumer </li></ul>
  17. 17. Other “Player” Names <ul><li>Predator </li></ul><ul><ul><li>Animal that hunts another for food </li></ul></ul><ul><ul><li>Note: Top predators are at the very top of a food chain </li></ul></ul><ul><li>Prey </li></ul><ul><ul><li>The hunted </li></ul></ul><ul><li>Parasite </li></ul><ul><ul><li>Feeds off energy of other living things </li></ul></ul>
  18. 18. Food Chains and Food Web Review <ul><li>Quia “Quiz” </li></ul><ul><li>Food Chain Vocabulary “Rags to Riches” </li></ul><ul><li>Food Chain Concepts “Rags to Riches” </li></ul>

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