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Carolina LabSheets

  • Constructing a Cladogram with Hydra, Planaria, and Daphnia In this lab students compare the body structure and functions of three invertebrates to that of a vertebrate. They use their data to construct a cladogram. View »
  • Introduction to Photosynthesis Using Coleus Plants The simple exercises that students perform in this lab demonstrate that plants produce glucose through photosynthesis, that plants convert at least some of the glucose to starch, and that sunlight is a critical factor in photosynthesis. View »
  • Observing Plant Cells In this lab students observe Elodea leaves under magnification. They will see cell walls and chloroplasts. From the movement of chloroplasts they will infer that cyclosis, or protoplasmic streaming, is occurring. They also will observe that most chloroplasts are pressed tightly against the cell wall and should infer from this that much of the cell is occupied by a vacuole. View »
  • Make a Hay Infusion Hay infusions are widely used as a source of microorganisms for studying decomposition, fermentation, and disease. And preparing one is easy--simply soak fresh or dried plant material in water. View »
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