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Ecology - PowerPoint PPT Presentation


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Ecology The study of the interactions that take place among organisms and their environment Biosphere The part of Earth that supports life Top portion of Earth's crust All the waters that cover Earth's surface Atmosphere that surrounds Earth. Ecosystem

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Presentation Transcript
biosphere
Biosphere
  • The part of Earth that supports life
    • Top portion of Earth's crust
    • All the waters that cover Earth's surface
    • Atmosphere that surrounds Earth.
ecosystem
Ecosystem
  • All the organisms living in an area and the nonliving features of their environment
population
Population
  • All the organisms in an ecosystem that belong to the same species
community
Community
  • All the populations in an ecosystem
habitat
Habitat
  • The place in which an organism lives
    • provides the kinds of food and shelter, the temperature, and the amount of moisture the organism needs to survive
competition
Competition
  • Food
  • Space
competition13
Competition
  • Competition caused by population growth affects many organisms, including humans
  • Limits population size
limiting factor
Limiting Factor
  • Anything that restricts the number of individuals in a population.
  • Includes living and nonliving features of the ecosystem
succession
Succession
  • Natural, gradual changes in the types of species that live in an area; can be primary or secondary.
    • Primary – begins in a place without soil
    • Secondary – where soil already exists
pioneer species
Pioneer species
  • A group of organisms, such as lichens, found in the primary stage of succession and that begin an area's soil-building process
climax community
Climax community
  • A community that has reached a stable stage of ecological succession
biome
Biome
  • Large geographic areas with similar climates and ecosystems
includes
Includes
  • Tundra
  • Taiga
  • Desert
  • Temperate deciduous forest
  • Temperate rain forest
  • Tropical rain forest, and grassland
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This powerpoint was kindly donated to www.worldofteaching.com

http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.