Producers,consumers, decomposers

• Types of organisms

  • Producers
  • Consumers
  • Decomposers
• Producers

  Make their own food (e.g. grass)
• Consumers

  Eat to gain energy (e.g. grasshopper)
• Decomposers

  Break down dead organic material (e.g. mushroom, earthworm)
• Types of Consumers

  • Herbivores
  • Carnivores
  • Omnivores
• Herbivores

  Consume plants (e.g. zebra, elephant)
• Carnivores

  Consume meat (e.g. tiger)
• Omnivores

  Consume plants and meat (e.g. grizzly bear)
• Consumers are Heterotrophs
• Producers are Autotrophs
• Food chain

  Process of one organism being eaten and then consumed by another larger organism, where energy is transferred from one to another
• Trophic level

  Group of organisms within an ecosystem which occupy the same level in a food chain
• Trophic levels

  • Producers
  • Primary consumers
  • Secondary consumers
  • Tertiary consumers
• Producers get 100% of their energy from the sun through photosynthesis
• Primary consumers (e.g. aquatic insects) eat the producers (e.g. algae) to gain energy
• Secondary consumers get 20% of the energy from the primary consumers
• Food web

  Composed of many/multiple food chains to show the complex relationships and interactions between all organisms in an ecosystem
• Energy is transformed from one organism to another in a food web
• A food chain or single path shows how energy moves from one organism to another organism
• Food web

  A more complex network that maps the multiple feeding relationships of each organism in an ecosystem