Media-rich module examines a terracotta figurine that embodies many characteristics of classical Greek sculpture. Expert commentary accompanied by animated overlays demonstrate details of the composition that give it harmony, balance,...

Students learn about the fertilization process of an egg and sperm cell during human reproduction.

Through informational text, video clips, practice problems, and external assignments, students discover the structure and function of the endocrine system of the human body.

Basic facts and detailed information about common STIs, including their symptoms, treatment, and prevention.

This website offers a clear definition of the science of Genetics, highlighting DNA and genes. There is a neat, easy-to-understand animated tour of the basics and an opportunity to go inside an animated cell. Student can build a DNA...

[Free Registration/Login may be required to access all resource tools.] The sperm and egg don't look anything like a human baby. After they come together, they will develop into a human being. How does a single cell become a complex...

At this site from PBS you can challenge yourself with this quiz to see if you know what is true and what is false in genetic and reproductive technology. You'll be surprised by some of the things that we are currently able to do with...

A time line showing the stages of human gestation.

In this activity you will: graph data of human fetal growth and describe the rate of human fetal growth.

A superb online collection of Leonardo's art. View many of his masterworks at this site, along with drawings, paintings, and inventions. Each reproduction includes a short commentary. A detailed biography is included, with embedded links...

Provides photographs and a fact card about the olm, a blind salamander. Discusses where they are found, physical characteristics, habitat, diet, predators, reproduction, and their population decline.

A complete student lesson on the human endocrine system. As a learning style option, students can listen to the text being read to them.

Learn about how and where tigers live when you explore this resource. You can also investigate how tigers communicate with each other, enemies, friends, and humans through this site.

[Free Registration/Login may be required to access all resource tools.] The creation of a new species is called speciation. Most new species develop naturally. But humans have also artificially created new breeds and species for...

[Free Registration/Login may be required to access all resource tools.] The process of cell division in eukaryotic cells is carefully controlled. The cell cycle is the life cycle of a cell, with cell division at the end of the cycle....

What exactly happens when you ovulate? This tutorial explains what happens including what hormones are released and when.

Take an interactive quiz over animal structure, function, and behavior. After completing the quiz, check your score, and then revisit any incorrect question for further review.

[Free Registration/Login Required] Through this unit, children learn that plants and animals reproduce as part of their life cycle and that in every life cycle there are distinct processes and stages. They should begin to understand how...

[Free Registration/Login may be required to access all resource tools.] Tutorial covers the 1918 Spanish Flu pandemic as a vehicle to look at viruses and disease, as well as the use of modern biological tools to improve human health....

The Web Gallery of Art provides an amazing online collection of Michelangelo's (1475-1564) art. Not only can you view high-quality reproductions of his drawings, paintings, sculptures, and architectural commissions, you can also click...

Comprehensive reference material on Steller's sea lion: its appearance, habitat, diet, behavior, reproduction, positive and negative economic significance for humans, and conservation status.

Comprehensive reference material on the greater kudu, an African mammal, with information about its appearance, habitat, diet, behavior, reproduction, and positive and negative economic importance for humans.

Very detailed information about the Great Barracuda. Get the taxonomy, common names, geographical distribution, habitat, features, food habits, reproduction, predators, importance to humans, and more.

Giant Pandas only live in the mountains of southwest China. This article focuses on Giant Panda habitat, diet, life cycle and reproduction. Extensive information is given on panda babies and the contrast between life in the wild and life...