Ecosystems

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Ecosystems
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What is Ecology?

• Ecology is the study of relationships between
  living things and between living things and their
  environment.

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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.

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Main Ecosystems

• Desert
• Rainforest
• Ocean
• Taiga

• Tundra
• Chaparral
• Grassland
• Temperate Forrest

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However..

• An ecosystem can be as large as the Sahara
  Desert, or as small as a puddle!!!
• Ecosystems are more than just the organisms that
  live there. Geography, weather, climate and
  geologic factors also influence the interactions
  within an ecosystem.

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Ecosystems are the living and non-living parts of
a habitat working together.

• Living Elements (Biotic)
• Plants
• animals

• Non- Living Elements (Abiotic)
• Landforms
• Rocks
• Sand
• Soil
• Water
• Air
• Sunlight

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Levels of Organization in Ecosystem

• Individual A single organism in an environment
• Population Individuals of the same species
  living together in an environment
• Community ALL of the different populations of
  organisms that are living in a specific habitat.
• ECOSYSTEM a community and its physical
  environment

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Balance

• Ecosystems will fail if they do not remain in
  balance.
• No community can carry more organisms than its
  food, water and shelter can accommodate.

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http//www.youtube.com/watch?vO3CZFfyed3M