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Ecology: Chapter 16

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Ecology: Chapter 16 The study of the interactions that take place among organisms and their environment Biosphere The part of Earth that supports life Top portion of ... – PowerPoint PPT presentation

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Title: Ecology: Chapter 16


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EcologyChapter 16
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The study of the interactions that take place
among organisms and their environment
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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.

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Ecosystem
  • All the organisms living in an area and the
    nonliving features of their environment

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Population
  • All the organisms in an ecosystem that belong to
    the same species

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Community
  • All the populations in an ecosystem

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Habitat
  • The place in which an organism lives
  • provides the kinds of food and shelter

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Competition
  • Limits population size

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Competition
  • Food
  • Space

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Limiting Factor
  • Anything that restricts the number of individuals
    in a population.

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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

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Primary Succession
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Secondary Succession
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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

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Climax community
  • A community that has reached a stable stage of
    ecological succession

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Biome
  • Large geographic areas with similar climates and
    ecosystems

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Includes
  • Tundra
  • Taiga
  • Desert
  • Temperate deciduous forest
  • Temperate rain forest
  • Tropical rain forest, and grassland
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