Science Notebook - Student Edition

Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

Bacteria and Viruses 179

Bacteria and Viruses

Before You Read

Many viruses and bacteria can cause diseases in animals and plants. Write about a disease

that you know of that is caused by a virus or a bacteria. Be sure to discuss how the disease

is treated.

Before you read the chapter, respond to these statements.

1. Write an A if you agree with the statement.


2. Write a D if you disagree with the statement.

Before You Read Bacteria and Viruses After You Read

• Bacteria can live in a thermal vent on
  the ocean floor, where temperatures top
  80°C.


• If you have bacteria in your intestines,
  you will get sick.


• Some viruses remain inactive for years
  inside human cells.


• Mad cow disease is caused by a protein.

Science Journal