Ecosystemslesson2 090407064305-phpapp02 (1)
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Ecosystemslesson2 090407064305-phpapp02 (1) Ecosystemslesson2 090407064305-phpapp02 (1) Presentation Transcript

  • Ecosystems-Abiotic Factors
  • An ecosystem is the interaction between
  • An ecosystem is the interaction between biotic and abiotic factors
  • Parts of an ecosystem that are living or were once living are called
  • Parts of an ecosystem that are living or were once living are called biotic.
  • Parts of an ecosystem that are non- living are called
  • Parts of an ecosystem that are non- living are called abiotic.
  • How do these abiotic factors affect the biotic parts of an ecosystem?
  • SUN •Warmth (gives warmth to animals) • Solar energy (allows green plants to make food) • Daylight (triggers activity in many animals) • Seasons (signals changes in plants and animals such as flowers blooming or birds migrating)
  • WATER •All living things need water to live (plants & animals) •Water transports nutrients to other areas •Some organisms live in water
  • AIR •Provides oxygen (O₂) •Provides Carbon Dioxide (CO₂)
  • SOIL •Soil contains nutrients for plants. •Plants grow in the soil. •Animals live in the soil.