[Free Registration/Login may be required to access all resource tools.] Overview of early human population growth.

[Free Registration/Login may be required to access all resource tools.] Discusses how early thinkers influenced Darwin's development of evolutionary theory.

[Free Registration/Login may be required to access all resource tools.] Describes how plants evolved from living in the oceans to living on land.

[Free Registration/Login may be required to access all resource tools.] Overview of the stages of adulthood and the cause of aging.

10 valuable critical thinking exercises ranging in subject matter. Includes questions and exercises regarding biological development, language usage, morals, values and ethics, and thought cycles.

At the online companion Web site of "Evolution," the seven-episode series on PBS, piece together clues to how one of our early ancestors looked as you examine images from four significant fossil finds of Australopithecus afarensis.

[Free Registration/Login may be required to access all resource tools.] Overview of the evolution of monotreme, marsupial, and placental mammals.

[Free Registration/Login may be required to access all resource tools.] Understand the fundamentals of Gregor Mendel's early genetics experiments. Students will explore the Law of Segregation within genetics and how to cross F1 and F2...

[Free Registration/Login may be required to access all resource tools.] Take a look at the groundbreaking organic molecules formed millions of years ago. Study the RNA that might have been that first organic molecule. In Earth's early...

This article summarizes the biological, social, and psychological risks associated with early teenage sexual activity.

This interactive module introduces students to the basic concepts of development in a variety of organisms. Students will also learn about the experiments that gave scientists in the early 20th century insight into the mechanisms of...

[Free Registration/Login may be required to access all resource tools.] When is a person considered an adult? That depends. Most teens become physically mature by the age of 16 or so. But they are not adults in a legal sense until they...

Major Resource Kits link academic majors to career alternatives by providing information on career paths, sample job titles, and a short bibliography of Career Resource Center materials available to students in a particular major....