1. Chapter 6 viruses & monerans
Obj: Id & describe characteristics of viruses
Classify bacteria
Relate to how bacteria can be helpful and harmful

2. 6-1 Viruses
Viruses contain a core of nucleic acid covered with a protein capsid
Viruses can spread to humans through air, contaminated food and drinking water, insect bites or on the bodies of insects.

3. 6-2 Monerans
Bacteria are monerans; simple cells that do not have a true nucleus
Bacteria have 3 basic shapes-spherical or coccus, rod-shaped or spiral and spiral or spirillum
Blue-green bacteria make their own food through photosynthesis.

4. 6-3 Importance of bacteria
Some bacteria are harmful and cause disease in plants and animals. Harmful bacteria can also spoil food.
Helpful bacteria are used in the production of some foods, provide nitrogen for plants and animals, play important roles in the body, such as digestion, and produce products.