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Science Test 2

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  • All ___________ things depend on plants
    living
  • 3 things a seed needs to sprout and grow:
    Water The right temperature Air
  • the act of moving pollen from one flower to another
    pollination
  • Which part of the plant makes seeds
    flower
  • a gas given off by people & animals that plants need
    Carbon dioxide
  • what is the stem's job?
    carry water and minerals upward and food downward
  • What tree has narrow leaves called needles?
    pine trees
  • part of the plant that grows downward to absorb water & minerals from the soil.
    Roots
  • The crown of a tree:
    leaves & branches
  • Define dormant:
    resting
  • the protective "skin" of a tree trunk
    bark
  • reproduce:
    make more of its kind
  • energy that helps plants make food
    sunlight
  • at least two ways we depend on trees:
  • tiny insects and worms that help to break dead things down
    decomposers
  • The food making process of green plants:
    photosynthesis
  • pollen:
    yellow powdery dust formed by flowers
  • the circles in a tree trunk that show a year’s growth of new wood.
    annual rings
  • lighter rings of wood in a tree that carry sap
    sapwood
  • Chlorophyll:
    green material in plants
  • Temperate rainforests have:
    trees that change color in autumn
  • Plant-like organisms that contain no chlorophyll:
    fungi and bacteria
  • the leaf's job
    make food
  • 6. Ferns & mosses are green plants which begin as
    spores
  • structure that holds and protects the seed:
    fruit
  • All flowering plants have _____________
    seeds
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