The types of organisms you would expect to see in an area that recently experienced a volcanic eruption.

a. trees

b. mosses and algae

c. grass and bushes

d. all types of organisms in fewer numbers

The ozone layer of the Earth has been depleted to an extent by the human release of certain chemicals.

Which of these is the most important factor when classifying an organism? A. It's characteristics B. It's age C. It's role in the food chain D. It's potential for extinction

Cattle egrets hitch a ride on domestic cows and eat insects that are stirred up by their activity. What term describes this relationship?

Two examples of poor scientific methodology found in a students lab

Is it too late to prevent climate change?

Chromosome mutations involve the deletion or duplication of many genes. The effects of chromosome mutations are often much greater than mutations within a single gene, because chromosome mutations A. can only occur at the time of fertilization. B.

Name the class of nutrients that consists of triglycerides phospholipids and sterols

The rigid, outer layer of Earth is referred to as the asthenosphere. a. True b. False

GMU professors in Biology/Medicine area founded companies or are the members of Scientific Advisory Boards of the companies.

Which process causes clouds to form on particles of dust