Ecosystems

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Ecosystems

  1. 1. An overview of important information and terms for Ecosystems. Miss Steele – Summer 2011
  2. 2. Living Things (biotic factors) + Nonliving things (abiotic factors) ECOSYSTEM The Equation for an Ecosystem **Remember that bio- means life and a- means without.
  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. A Producer is………. The first trophic level in an Ecosystem. They convert energy from the sun and usually consist of plants. They convert energy for use by the Ecosystem.
  9. 9. A Consumer is………. The upper trophic levels in an Ecosystem. They consume energy from producers and by eating other consumers. There are four levels of consumers…
  10. 10. Types of Consumers………. Primary Consumers Consume producers. Secondary Consumers Consume primary consumers. Tertiary Consumers Consume secondary consumers. Quaternary Consumers Consume Tertiary Consumers.
  11. 11. A Decomposer is………. The outcast in an Ecosystem. They feed on dead biota and recycle it into a form that can be used for by plants for food.

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