Can you describe a gamete without using the words sperm or egg? Scholars play a vocabulary review game where they try to get other players to guess their words. Each card has the target word as well as two related words they must not...

[Free Registration/Login Required] A site where students can label the cell cycle as well as take a short quiz on the topic.

Poses and answers the question, "What is (and is not) mitosis?" An overview with images of the phases of mitosis, plus a mitosis animation.

This site from the PBS production, Scientific American Frontier "Never Say Die", includes a section entitled "The Clock of Life". It provides a discussion of cell death through shortening of the telomere. A good class activity included.