Curated OER
Snug as a Bug
Students investigate survival strategies. In this survival strategies activity, students study survival strategies used by animals. Using a seed to represent a bug, students create a safe home for their "seed-bug".
National Geographic
National Geographic: Symbiotic Relationships in Marine Ecosystems
In this lesson students analyze videos to make observations about species, populations, and communities of organisms and discuss their symbiotic relationships. Then they create a hypothetical marine ecosystem and describe the adaptive,...