How does cancer begin, and why can it get so out of control? Curious young cytologists use an interactive resource to study the cell cycle. After reviewing the background information, individuals go step-by-step through the process of...

Cells demonstrate a life cycle like other living things, but what if death was no longer part of the cycle? Learn about the important balance requiring death to continue functioning. An online interactive introduces a group of scientists...

What's the difference between body cells and sex cells? Learners explore the question and the process of meiosis using an interactive lesson. An animation describes the discovery of meiosis and describes its phases for a detailed and...

In this mitosis phases quiz worksheet, learners complete an on-line game, clicking on questions and matching answer cards, scoring 1 point per correct answer. Printable version available also.

For this mitosis quiz worksheet, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.