Survival of the Fittest

EcoKids
http://www.ecokids.ca/pub/eco_info/browse_topics/index.cfm

American Museum of Natural History: Saving Species
http://ology.amnh.org/biodiversity/savingspecies/index.html

Biomes & Ecosystems
http://www.mbgnet.net/

Encyclopedia Britannica
Passwords for this and other MCPS Online Resources for home use are available from the Media Center and/or listed in the Student Directory
(use keywords: Rainforest, Savannah, Polar Region, Grasslands, Dessert, Arctic, Ocean, Food Chain)
http://school.eb.com/elementary