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Natural Science Unit 4

  •  English    24     Public
    Plants
  •   Study   Slideshow
  • What are the three ways pollination happens?
    Bees, wind, and small birds
  •  15
  • Explain sexual reproduction in plants.
    When male and female sex cells join together (pollination/fertilization).
  •  15
  • Name the male and female parts of the plant (and the sex cells of each).
    Male: Stamen (pollen); Female: Pistil (ovules)
  •  15
  • Name 3 parts of the flower shown (and the number they are)!
    1- stigma; 2- style; 3- ovary; 4- ovules; 5- pistil; 6- anther; 7- filament; 8- stamen; 9- petals; 10- base; 11- sepal
  •  20
  • Name the 4 parts of the pistil and what is the function of each one.
    Stigma- what the pollen sticks to; Style- tube the pollen travels down; Ovary- contains female sex cells; Ovules- female sex cells
  •  20
  • The last step of pollination is when the fertilized ovule develops into a _______.
    Seed
  •  10
  • Explain asexual reproduction.
    Fertilization does not take place.
  •  15
  • How do non-flowering plants produce instead of seeds?
    Spores
  •  10
  • What are the three types of flowering plants?
    Stolons, rhizomes, and tubers
  •  15
  • Name the process by which plants make their own food.
    Photosynthesis
  •  10
  • The xylem is similar to the _____ in the human body.
    Veins
  •  15
  • What two things do roots absorb from the soil in photosynthesis?
    Water and minerals
  •  15
  • What gas is being released from the plant in number 4?
    Oxygen
  •  15
  • Where in the plant does photosynthesis take place?
    Leaves
  •  15
  • What are the names of the tiny pores in leaves and what gas do they absorb?
    Stomata; carbon dioxide
  •  15
  • What is the name of the green substance in leaves and what does it absorb?
    Chlorophyll; solar energy
  •  15