Study

Ecosystems Topic 1-3

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  • oxpeckers eating ticks off of a zebra is an example of which symbiotic relationship?
    mutualism
  • a symbiotic relationship in which one organism benefits and the other is harmed
    parasitism
  • the 4 basic needs of all living things
    food, water, suitable habitat, air
  • a symbiotic relationship in which one partner benefits and the other neither gains nor loses
    commensalism
  • What is an adaptation?
    an *inherited* characteristic that helps an organism survive and reproduce in its environment
  • What is the difference between a need and a want?
    Need: can't live without. Want: make life more enjoyable but we could live without it.
  • the study of the relationship between living organisms and their environment is called _____
    ecology
  • Give an example of a way humans have attempted to control the environment, AND the unintended effect
    Fires/DDT/Predators/etc.
  • a symbiotic relationship in which each organism benefits
    mutualism
  • Give an example of how humans can harm and help organisms around us
    (answers will vary)
  • Frogs using plants as protection is an example of which symbiotic relationship?
    commensalism
  • The total area of land and water needed to supply all the materials and energy you use and absorb all the waste you produce is called your _______
    ecological footprint
  • What is symbiosis?
    a relationship between *two species* living closely together that *lasts over time*
  • Some plants have no leaves or chlorophyll of their own but steal nutrients from the plants they live on. This is an example of...
    parasitism
  • Name AND define the "Three R's"
    Reduce, reuse, recycle
  • A(n) _______ is the interactions between living and non-living things in a particular environment
    ecosystem
  • Define sustainability
    when resources are renewed at least as quickly as they're absorbed, and all wastes are absorbed