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Cell Theory

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  • According to cell theory, cells come from _________ _________.
    other cells.
  • This type of cell can make photosynthesis.
    Plant cell.
  • What type of cells are these?
    Animal cells.
  • Robert Hooke was observing what object when he discovered cells?
    A cork.
  • Cells are made mostly of ____________________.
    water.
  • What type of cells are these?
    Plant cells.
  • Carbohydrates make sure the cells have _____________.
    Energy.
  • Can a cell come from an organ?
    No, it can't.
  • If it only grows in size but does not develop, and reproduces asexually, it's probably an ________________ organism.
    UNICELLULAR
  • According to Cell Theory, cells are the ________________ unit of life.
    smallest
  • Give an example of a multicellular organism.
    Animals, plants.
  • According to Cell Theory, all organisms are made of one or more _________.
    Cells.
  • What is the correct level of organization? 1: ______; 2: tissue; 3: _________; 4: organ system.
    1: Cell, 2: Tissue; 3: Organ; 4: Organ System
  • Lipids keep the ______________ in the cell.
    water
  • Give an example of an unicellular organism.
    Bacteria, protists.
  • If it grows in size and develops, and usually reproduces sexually, it's probably a ____________ organism.
    Multicellular.