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Unit 1 - Year 7 (Review)

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  • The food relationships among all organisms that share the same environment are known as a:  a) food chain     b) food pyramid     c) food web      d) web of life
    c) food web
  •  15
  • Which of the following is part of the abiotic community? a) food    b) fish     c) sunlight     d) trees
    c) sunlight
  •  15
  • Organisms that can live entirely by themselves with absolutely no relationships to others are: a) predatory           b) biotic           c) producers          d) non-existent
    d) non-existent
  •  15
  • Which of the following would be an abiotic factor for a polar bear? a) extreme cold, floating ice      b) eating only live prey         c) large body size       d) paws with thick hair
    a) extreme cold, floating ice
  •  15
  • Biotic factors in a wetland community might include: a) water b) crayfishes c) temperature d) soil type
    b) crayfishes
  •  15
  • Which of the following would decrease the amount of carbon dioxide in the air? a) a maple tree growing b) a dog running c) a person driving a car to work d) a forest burning
    a) a maple tree growing
  •  15
  • An undersea volcano erupts, creating the new island of Surtsey. Life slowly starts to appear on the island. What would probably be the first species to grow and survive? a) maple trees b) finches c) lichens d) grasses
    c) lichens
  •  15
  • Evaporation, condensation, and precipitation are all part of which cycle? a) carbon b) nitrogen c) water d) ecologic
    c) water
  •  15
  • You played in a meadow when you were little. When you visit the area again this year, you find it is a forest. What is the name of the change? a)extinction of species b)ecological succession c)pyramid of biomass d)carrying capacity
    b)ecological succession
  •  15
  • In the carbon cycle, carbon dioxide is taken from the atmosphere and used by a) first-order consumers b) decomposers c) second-order consumers d) producers
    d) producers
  •  15
  • True or False? A food chain is a linear sequence of events that shows who eats whom
    True
  •  15
  • True or False? Species is the same kind of living thing that can mate and produce more of the same kind of living thing
    True
  •  15
  • True or False? Omnivore consumes mainly animals
    False, they consume animal and plant matter
  •  15
  • True or False? Decomposers are consumers that break down dead material
    True
  •  15
  • True or False? A Biome is a small area without a definite climate and vegetation
    False, it is a large area with a definite climate and vegetation
  •  15
  • True or False? Succession are not a predicable pattern of change
    False, it is predicable!
  •  15