How can a natural event such as a volcanic eruption affect biodiversity? Erupting volcanoes emit gases such as sulfur dioxide into the atmosphere. Sulfur dioxide can react with water and oxygen in the atmosphere to create . This enters water systems and most aquatic life.

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

List five ways we are indebted to phytoplankton

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow