In the 1980s, Stephen Jay Gould identified two types of extinctions that each had different evolutionary consequences. What are these extinctions called?

Chicken pox and hepatitis are bacterial diseases. true or false?

Microorganisms are involved in each of the following processes excepta. smog production.b. food production.c. infection.d. o2 production.e. decomposition of organic material.

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy