Curated OER
Endangered Relationships
Students study the interrelationship between the horseshoe crab and red knot. In this ecology lesson, students explain why several species became extinct. They research about endangered species found in their region.
Curated OER
Build-A-Horseshoe Crab
Students discover many facts about horseshoe crabs. Students identify the main body parts of horseshoe crab. They explore the habits of the horseshoe crab and their importances to the ecosystem. Adaptations for younger students are...