PUBLIC MARKS from misskitty4280 with tag biology

The Tree of Life Web Project (ToL) is a collaborative effort of biologists from around the world. On more than 4000 World Wide Web pages, the project provides information about the diversity of organisms on Earth, their evolutionary history (phylogeny), and characteristics.

Welcome to the Visible Embryo, a comprehensive resource of information on human development from conception to birth, designed for both medical student and interested lay people

This spiral represents the 23 stages occurring in the first trimester of pregnancy and every two weeks of the second and third trimesters

Gene Pool is an artificial life simulation in which populations of physics-based organisms evolve swimming capabilities over time

Ever wonder how people figured out there used to be such things as dinosaurs? Curious about how scientists learned to reconstruct fossil skeletons? The knowledge we take for granted today was slow in coming, and along the way, scientists and scholars had some weird ideas. This Web site shows some of their mistakes, provides a timeline of events, gives biographies of a few of the people who have gotten us where we are today, and lists resources you can use to learn more.