ECOSYSTEMS

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ECOSYSTEMS

• all the living organisms and their non-living
  environment within a given area

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ECOSYSTEM SIZE

• There is no limit to how large or small an
  ecosystem can be
• An ecosystem can be as large as an ocean or as
  small as a puddle
• Very large ecosystems are known as biomes.

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STRUCTURE OF AN ECOSYSTEM

• There are two components of an ecosystem
• the living component (biotic)
• the non-living component (abiotic)

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the living component (biotic)

• includes all ORGANISMS ( animals, plants and
  microbes )
• Each organism has a niche or profession
• Each organism has a habitat or address

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the non-living component (abiotic)

• air
• water
• rocks
• soil
• temperature
• sunlight

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NICHE

• The relationship between an organism and
• its environment, including both the biotic and
  abiotic factors
• It is an organisms profession EXAMPLE BIOTIC
  1). A lion kills and eats other animals 2).
  Certain insects live in the lions skin
  and feed on its blood 3). When the lion dies,
  scavengers and decomposers use its body
  for foodEXAMPLE ABIOTIC 1). When and how
  often it reproduces 2). How many offspring it
  has 3). When is it most active? 4). Where
  does it find shelter?

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HABITAT

• The actual place that an organism livesAn
  ecosystem could have more than 1 habitatIt is
  the organisms address

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SPECIES

• A group of organisms that are genetically
  similar( similar DNA )
• Organisms of the same species can reproduce and
  produce fertile offspring

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POPULATION

• A group of organisms that belong to the same
  species in an ecosystemA population of green
  frogs in an aquatic ecosystem, for exampleA
  population of white tailed deer in a forest

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COMMUNITY

• A group of different populationsA forest
  community would include a population of whitetail
  deer, a population of gray squirrels, for example

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