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5th grade Living Systems

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  • Using the food web, number the organisms in order from the largest population to the smallest.
    grasses, snake, mouse, vulture, coyote
    mouse, grasses, snake, hawk, coyote
    grasses, grasshoppers, hawk, mouse, vulture
    vulture, mouse, grasshoppers, grasses
  • In this desert biome food web, would what have the largest population?
    grasshopper
    rabbits
    hawks
    bacteria
  • What is not a true statement about decomposition in the environment?
    Plant decomposition is recycled into the environment.
    Primary consumers gain nutrients from decomposition.
    Consumers could die if producers could not make food.
    It does not help in an ecosytem.
  • What is the process by which dead organic substances are broken down into simpler matter?
    decomposition
  • What is number 1 of the digestive system?
    esophagus
  • Plants are the major source of ___________ on Earth and help keep us alive.
    oxygen
  • A hummingbird needs a lot of energy which requires a lot of food (sugar) from plants. What does NOT describe something that helps a hummingbird get that energy from the plant?
    tongue
    long beak
    wings
    saliva
  • What does this plant NOT need to be able to make their own food?
    sugar
    light
    carbon dioxide
    water
  • Where do plants produce their food?
    leaves
  • What is number 5 of the digestive system?
    colon
  • Plants use the energy of the sun to change water and carbon dioxide into _______.
    sugar
  • SUGAR FOUND IN FOOD
    glucose
  • What is number 4 of the digestive system?
    small intestine
  • What is foods main purpose?
    to provide carbon dioxide
    to provide water
    to provide energy
    to provide oxygen
  • True / False - PRODUCERS RELEASE OXYGEN TO THE AIR.
    true
  • Two of the labels are PRODUCTS of photosynthesis. What are they and what product is missing from the picture?
    light, water, sun
    oxygen, carbon dioxide, sugar
    oxygen, water, sugar
    water, oxygen, leaves
  • What is number 3 of the digestive system?
    large intestine
  • What is number 2 of the digestive system?
    stomach
  • What is number 6 of the digestive system?
    rectum
  • sunlight + carbon dioxide + water =
    photosynthesis
  • What conclusions can NOT be made from the picture?
    zooplankton is a producer
    lower you go on the food chain, the greater the population
    Sardines population is related to the zooplankton population
    Salmon is a third level consumer