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Food Chains vs Food Webs

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  • Which word describes a tree in an ecosystem?
    decomposer
    producer
    herbivore
  • What breaks down dead plants and animals?
    consumer
    predator
    decomposer
    prey
  • A food chain shows _____.
    the differences in organisms.
    the flow of energy that passes from one organism to another.
    where animals live.
  • Which of the following captures sunlight in an ecosystem?
    ALL of the above
    ferns
    apple trees
    plants
  • Which of the following is an herbivore?
    cheetah
    lion
    snake
    rabbit
  • ________ break down dead plants and animals to create nutrients in the soil.
    Decomposers
    Producers
    Prey
    Consumers
  • What might happen if you remove all producers from the ecosystem?
    There would be more food for secondary consumers.
    The number of plants would increase.
    The ecosystem would collapse.
  • A vulture is an example of a ____.
    scavenger
    decomposer
    omnivore
  • Animals that hunt other animals to eat are ____.
    prey
    herbivores
    predators
    omnivores
  • T or F: Food webs begin with animals, and food chains begin with plants.
    False, ALL food chains & webs begin with producers
    True
  • A producer does not need the Sun to survive.
    True
    False
  • What is the original source of almost all energy in most ecosystems?
    water
    carbon dioxide
    decomposers
    sunlight
  • Carnivores obtain energy by eating ___.
    plants.
    animals.
    the food they make.
  • The water cycle ______.
    uses photosynthesis to make clouds.
    recycles, transports & replenishes the water supply.
    permanently removes water from the ecosystem.
  • In the diagram below, which is a decomposer?
    grass
    mushroom
    bird
    snake
  • A carnivore is an animal that eats only meat.
    False
    True
  • Which of the following is a carnivore?
    hawk
    caterpillar
    squirrel
  • What type of consumer eats only producers?
    carnivore
    omnivore
    herbivore
    plant
  • Which of the following is a producer?
    Caterpillar
    Plants
    Skunk
  • A food chain ALWAYS begins with _____.
    a consumer
    an omnivore
    a producer
  • Which organism would most likely come after a snake in a food chain?
    hawk
    mouse
    blue bird
    caterpillar
  • Which of the following is an example of a decomposer?
    crickets
    water
    bacteria
  • Which 3 things MUST be present for photosynthesis to occur?
    sunlight, water, carbon dioxide
    oxygen, sunlight, carbon dioxide
    water, food, rain
  • The following photo shows an example of a _____.
    decomposers
    food web
    food chain
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