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Natural Science

  •  English    25     Public
    Unit I Review
  •   Study   Slideshow
  • It is the smallest living unit in a living thing.
    Cell
  •  5
  • It controls the functions of the cell, such as reproduction.
    Nucleus
  •  25
  • It is a jelly-like substance that fills the cell where chemical reactions happen.
    Cytoplasm
  •  25
  • It protects the cell and gives it its shape.
    Cell wall
  •  20
  • They contain chlorophyll which is needed for photosynthesis.
    Chloroplasts
  •  10
  • All living organisms perform three life processes: nutrition, reproduction and _________.
    interaction
  •  10
  • This process allows living things to make new living things.
    Reproduction
  •  20
  • Cells with similar stuctures anf functions form ____________.
    Tissues
  •  15
  • They work together to carry out a particular function.
    Organs
  •  25
  • Organs working together to perform the same functions form _________.
    Systems
  •  20
  • Living things can be classified into five groups called _________.
    kingdom
  •  15
  • This kingdom consists of primitive unicellular organisms.
    Monera Kingdom
  •  20
  • They are the cells that carries oxygen around the blood.
    Red blood cells
  •  15
  • These cells are like bodyguards.
    White blood cells.
  •  15
  • These cells carries information from the brain to the rest of our body.
    Nerve cells
  •  10
  • They are the cells that absorbs water and minerals from the soil.
    Root hair cells
  •  15