Oswego City School District
Regents Exam Prep Center: Biotic vs. Abiotic
This NY Regents prep site provides a nice overview of what abiotic and biotic factors of an ecosystem are, as well as a brief description of carrying capacity.
Science Education Resource Center at Carleton College
Serc: Bridge: Ocean Sciences Education Teacher Resource Center
Bridge, the Ocean Sciences Education Teacher Resource Center, is a growing collection of on-line marine education resources. It provides educators with accurate, useful, content-correct and content-current marine and data information on...