EcosystemsEcosystems
What is Ecology?What is Ecology?
• Ecology is the study of
relationships between living
things and between living
things and their environment.
What is an ecosystem?What is an ecosystem?
• Ecosystem is a system of living
things that interact with each
other and with the physical world.
• A Biome is a collection of related
ecosystems.
Main Ecosystems:Main Ecosystems:
• Desert
• Rainforest
• Ocean
• Taiga
• Tundra
• Chaparral
• Grassland
• Temperate
Forrest
Green:Grassland Purple: Taiga Orange:Tundra
Black:Temperate Forrest Yellow:Desert
Brown:Chapparal White:Ocean
However……..However……..
• An ecosystem can be as large as the
Sahara Desert, or as small as a
puddle!!!
• Ecosystems are more than just the
organisms they contain.
Geography,weather,climate and
geologic factors also influence the
interactions within an ecosystem.
Abiotic FactorsAbiotic Factors
Are nonliving physicalAre nonliving physical
factors of an environment.factors of an environment.
 Abiotoic Factors include amount of waterAbiotoic Factors include amount of water
and oxygen, temperature, amount ofand oxygen, temperature, amount of
sunlight and water pressure.sunlight and water pressure.
YOU TRY!!!YOU TRY!!!
List three moreList three more
examples of Abioticexamples of Abiotic
Factors:Factors:
Biotic FactorsBiotic Factors
• Are the living, physical
factors of an environment.
• Examples of Biotic Factors are parasitism,
disease and predation.
BalanceBalance
 Ecosystems will fail if they do notEcosystems will fail if they do not
remain in balance.remain in balance.
 No community can carry moreNo community can carry more
organisms than its food, water andorganisms than its food, water and
shelter can accommodate.shelter can accommodate.
How do they stay balanced?
 To succeed in an ecosystem, plants
and animals have special structures
and behaviors called adaptations.
 Ex) Chameleon
Polar Bear
Can you think of more examples of
adaptation?
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Ecosystems (1)

  • 1.
  • 2.
    What is Ecology?Whatis Ecology? • Ecology is the study of relationships between living things and between living things and their environment.
  • 3.
    What is anecosystem?What is an ecosystem? • Ecosystem is a system of living things that interact with each other and with the physical world. • A Biome is a collection of related ecosystems.
  • 4.
    Main Ecosystems:Main Ecosystems: •Desert • Rainforest • Ocean • Taiga • Tundra • Chaparral • Grassland • Temperate Forrest
  • 5.
    Green:Grassland Purple: TaigaOrange:Tundra Black:Temperate Forrest Yellow:Desert Brown:Chapparal White:Ocean
  • 6.
    However……..However…….. • An ecosystemcan be as large as the Sahara Desert, or as small as a puddle!!! • Ecosystems are more than just the organisms they contain. Geography,weather,climate and geologic factors also influence the interactions within an ecosystem.
  • 7.
    Abiotic FactorsAbiotic Factors Arenonliving physicalAre nonliving physical factors of an environment.factors of an environment.  Abiotoic Factors include amount of waterAbiotoic Factors include amount of water and oxygen, temperature, amount ofand oxygen, temperature, amount of sunlight and water pressure.sunlight and water pressure.
  • 8.
    YOU TRY!!!YOU TRY!!! Listthree moreList three more examples of Abioticexamples of Abiotic Factors:Factors:
  • 9.
    Biotic FactorsBiotic Factors •Are the living, physical factors of an environment. • Examples of Biotic Factors are parasitism, disease and predation.
  • 10.
    BalanceBalance  Ecosystems willfail if they do notEcosystems will fail if they do not remain in balance.remain in balance.  No community can carry moreNo community can carry more organisms than its food, water andorganisms than its food, water and shelter can accommodate.shelter can accommodate.
  • 11.
    How do theystay balanced?  To succeed in an ecosystem, plants and animals have special structures and behaviors called adaptations.  Ex) Chameleon Polar Bear Can you think of more examples of adaptation?
  • 12.
    This powerpoint waskindly 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.
  • 13.
    This powerpoint waskindly 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.