Food and Energy Pyramids
http://culter.colorado.edu:1030/Field_trip/
A Virtual Field Trip Up Niwot Ridge. Come and explore the Alpine Tundra Biome for yourself! Excellent sites.
http://syllabus.syr.edu/bio/mcnaughton/tour1.html
Tour the Serengeti and learn about the ecosystem of Africa's plains. Many pictures.
http://sofia.er.usgs.gov/virtual_tour/fernforest/index.html
Enjoy this tour of a fern forest in Florida! There are many pictures in this tour.
Shades of Green: Earth's Forests is an outstanding Thinkquest Project about the forests of our world. " They are interconnected communities of diverse organisms -- bacteria and fungi, gigantic trees, birds, shrubs, ants and beetles, fish, and mammals." Enjoy!
Top of Page
http://www.stanfordalumni.org/birdsite/text/essays/Coevolution.html
Coevolution and Pollination A beautiful page with many examples of organisms evolving together. The pictures are gorgeous!!!
http://www.blackwellpublishing.com/ridley/a-z/Mutualism.asp
Mutualism: An ant and a caterpillar help each other to survive.
http://qldscienceteachers.tripod.com/junior/biology/foodchains.html
Food Chains and Food Webs: Very helpful definitions and examples that will help you to make your pages. Read this one.
http://www.biologie.uni-hamburg.de/b-online/e54/54c.htm
Tne Flow of Energy in Ecosystems: This short paper discusses the food chain and productivity. Adult reading level, but clearly written.
http://www.ftexploring.com/me/pyramid.html
This has a food pyramid for organisms living in water. Top of Page
This has a food pyramid for organisms living in water.
http://www.usd.edu/biol/faculty/swanson/ornith/lec18.html
AVIAN SOCIAL SYSTEMS: Some basic information about territoriality in birds presented in clear outline format.
http://www.npwrc.usgs.gov/info/factsheet/mammals.htm
Comments on a number of mammals who live in packs or herds in territories.