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Life Cycle - Human Biology (6B)
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Life Cycle - Human Biology (6B)
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WHAT CAUSES DISEASES?
Certain bacteria, viruses, and protozoa are responsible for many diseases that affect humans. Below is a brief description of one disease-causing agent from each of the three groups and the name of a disease each agent causes. Using the characteristics given, draw the disease-causing agent in the space provided.
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small spherical bodies, lined-upside-by-side, forming "s"-shaped chains |
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spherical bodies with smaller, randomly arranged spherical bodies within them |
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shapeless blobs with cell walls that keep them held together |
