A solid overview of the few plants that reproduce by spore production. Includes examples and an explanation of the early evolution of these plants.

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

The biogenesis theory is explained and how it differs from the theory of spontaneous generation. The work of early scientists to prove or disprove these theories is described, including discoveries in microbiology. Louis Pasteur is...

This is a great lesson plan that combines Karoytypes and evolution. Young scholars will recognize that the chromosomes of chimpanzees and humans are remarkably similar, then correlate that to their evolutionary relationship.

Information about some of the early animal astronauts who were launched into space to help determine the effects of space travel on human beings.

This lesson plan requires students to analyze DNA restriction maps to determine the differences in the sequence for several primates and humans. They then use the information to create a cladogram.

[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.

Puppies prove to be a fun and useful aid in this adorable experiment! By having access to, and measuring a puppy's body dimensions over a period of weeks or months, you can discover if segments of canine anatomy develop at different...

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....