ecosystems and food webs P1

• What is an ecosystem defined as?

  All biotic and abiotic parts of an area
• How can organisms in an ecosystem be classified?

  Producer, consumer, or decomposer
• What is the role of producers in an ecosystem?

  Use sunlight to produce food
• What process do producers utilize to create food?

  Sunlight energy
• How do consumers obtain energy?

  By eating other organisms
• How do decomposers obtain energy?

  By breaking down dead material
• What type of organisms are typically decomposers?

  Microorganisms
• What does the nutrient cycle illustrate?

  How organisms are linked by nutrient transfer
• What do food chains and webs demonstrate?

  Ecosystem parts depend on each other
• What term describes how each ecosystem part depends on other parts?

  Interdependent
• What happens if one part of an interdependent ecosystem changes?

  It affects all dependent parts