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Energy Flow in Ecosystems

  •  English    60     Public
    How energy flows through ecosystems: Food Chains, Food Webs, and Energy Pyramids
  •   Study   Slideshow
  • which organisms are decomposers and should be a part of a food chain?
    hawk and earthworm
    squirrel and bacteria
    tree and fungi
    earthworm and fungi
  •  15
  • the energy that organisms in food chains use for growth began as energy from ____
    cardinal
    sun
    grass
    cricket
  •  15
  • which is correct to show how energy flows through a food chain
    grass - sun - owl - mouse
    grss - owl - sun - mouse
    grass - mouse - owl - sun
    sun - grass - mouse - owl
  •  15
  • plant-grasshopper-frog-snake: if a group of foxes is introduced and begins eating frogs, what will most likely happen?
    There will be more grasshoppers in the area
    frogs will begin to eat plants
    there will be more snakes in the area
    snakes will begin to eat grasshoppers
  •  15
  • a population of deer recently increased in size. Which most likely could have caused the deer population to increase?
    food sources were hard to find
    their habitat was destroyed
    their predators were disappearing
    a disease was spreading
  •  15
  • Mice are the main food source for a coyote population. Which is most likely to happen to coyotes if a new predator begins eating the mice?
    the coyotes will produce more young
    each coyote will spend less time hunting food
    there will be fewer coyotes
    more coyotes will arrive from other locations
  •  15
  • plants-grasshoppers-spiders-birds-snakes; If the spiders in this food web don't have enough to eat, it is probablty because
    the number of birds increase
    the birds stop eating the spiders
    the grasshoppers do not have enough to eat
    the snakes stop eating the grasshoppers
  •  15
  • All the living things that live together in the same place and interact with each other
    consumers
    community
    population
    ecosystem
  •  15
  • a type of plant or animal that has so few living members left that they are in big danger of disappearing forever
    overabundant
    extinct
    ecosystem
    endangered
  •  15
  • When too many of one plant or animal are living in one place
    endangered
    extinct
    overabundant
    community
  •  15
  • A type of animal or plant that is completely gone from the earth and no longer exists
    endangered
    extinct
    ecosystem
    overabundant
  •  15
  • a living thing
    extinct
    community
    organism
    endangered
  •  15