Science Education Resource Center at Carleton College
Serc: Extinction: Is It Inevitable?
Learners read the article "The Sixth Extinction" by Niles Eldredge on past mass extinctions and the current rate of loss of species. There is a choice of student activities which includes having students respond to discussion and...
World Wildlife Fund for Nature
Wwf: Our Earth: Biodiversity: The Magic of Our Planet
An introduction to biodiversity, offering a look how the planet is "losing" biodiversity and how this loss affects humans and Earth.