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Chapter 5, lesson 1

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  • 1. Chapter 5, Lesson 1Interactions in an Ecosystem
    ecosystem
    abiotic factor
    biotic factor
    population
    community
    ecology
    habitat
    niche
    producer
    decomposer
    consumer
    topsoil
    humus
  • 2. ecosystem – all the living and non-living things in an area
    Click to access link!
  • 3. abiotic factor – the non-living parts of an ecosystem
    minerals
    water
    light
    air
    temperature
    soil
  • 4. biotic factor – the living parts of an ecosystem
    animals
    plants
    protists
    bacteria
    fungi
  • 5. population – all the organisms of the same species living in an area
  • 6. community – all the populations living in an area
  • 7. ecology – the study of how all things in an ecosystem interact
    Click to access link!
  • 8. habitat – the place where an organism lives
    Click pictures to access links!
  • 9. niche – the role of an organism in its community
    What does the species eat?
    What eats the species?
    What environment does the species need?
    Is the species active by night or by day?
    NO TWO SPECIES CAN FILL THE SAME NICHE!
  • 10. producer – an organism that produces oxygen and food like plants and algae
  • 11. consumer – animals are consumers. They eat algae, plants, or other animals.
  • 12. decomposer – organisms, such as bacteria, fungi, and worms that break down dead plants and animals into useful things like minerals that enrich the soil.
  • 13. topsoil – the top layer of soil
  • 14. humus – partly decayed plant matter

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