Ecosystems and Communities
Climate vs. Weather <ul><li>Weather – day to day conditions in a particular place at a particular time. </li></ul><ul><li>...
Greenhouse Effect <ul><li>Where heat is retained in the earths atmosphere by greenhouse gases (CO 2 ) </li></ul>
Global Warming <ul><li>Term used to describe an increase in the average temperature of the biosphere </li></ul><ul><li>Cau...
What shapes an Ecosystem? <ul><li>Biotic factors – living parts of an ecosystem </li></ul><ul><li>Abiotic factors – nonliv...
What shapes an Ecosystem con’t <ul><li>Habitat – where an organism lives. </li></ul><ul><li>Niche – an organisms purpose (...
Community Interactions <ul><li>Competition – occurs when members of the same or different species attempt to use resources...
Community Interactions <ul><li>Predation  Predator </li></ul><ul><li>organism that kills (hunts) </li></ul><ul><li>Prey </...
Community Interactions <ul><li>Symbiosis – 2 species living closely together </li></ul><ul><ul><li>Mutualism  both species...
Community Interactions <ul><ul><li>Commensalism when one member benefits while the other is neither helped nor harmed. </l...
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Ecosystems and communities for blog

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Ecosystems and communities for blog

  1. 1. Ecosystems and Communities
  2. 2. Climate vs. Weather <ul><li>Weather – day to day conditions in a particular place at a particular time. </li></ul><ul><li>Climate – avg. of temperature and precipitation in a region from year to year. </li></ul>
  3. 3. Greenhouse Effect <ul><li>Where heat is retained in the earths atmosphere by greenhouse gases (CO 2 ) </li></ul>
  4. 4. Global Warming <ul><li>Term used to describe an increase in the average temperature of the biosphere </li></ul><ul><li>Cause is believed to be human activities </li></ul>
  5. 5. What shapes an Ecosystem? <ul><li>Biotic factors – living parts of an ecosystem </li></ul><ul><li>Abiotic factors – nonliving parts of an ecosystem </li></ul>
  6. 6. What shapes an Ecosystem con’t <ul><li>Habitat – where an organism lives. </li></ul><ul><li>Niche – an organisms purpose (includes food, space, reproduction, & how it interacts with other organisms) </li></ul>
  7. 7. Community Interactions <ul><li>Competition – occurs when members of the same or different species attempt to use resources in the same place at the same time. </li></ul>
  8. 8. Community Interactions <ul><li>Predation Predator </li></ul><ul><li>organism that kills (hunts) </li></ul><ul><li>Prey </li></ul><ul><li>organism that is the food </li></ul><ul><ul><li>Ex. Cat and mouse </li></ul></ul>
  9. 9. Community Interactions <ul><li>Symbiosis – 2 species living closely together </li></ul><ul><ul><li>Mutualism both species benefit </li></ul></ul><ul><ul><ul><li>Ex. Flower & insect </li></ul></ul></ul>
  10. 10. Community Interactions <ul><ul><li>Commensalism when one member benefits while the other is neither helped nor harmed. </li></ul></ul><ul><ul><ul><li>Ex barnacles on whales skin </li></ul></ul></ul><ul><ul><li>Parasitism when one organism lives on or inside another organism and harms it. </li></ul></ul><ul><ul><ul><li>Ex. Flea, tick </li></ul></ul></ul>

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