McGraw Hill
Arthropods
Are spiders related to crabs? Study the order of arthropods with a reading selection about animal diversity. It provides details about each class within the order, as well as vivid pictures and explanatory charts.
Curated OER
Pheed the World: Edible Phyla
Students discuss the contributions of different organisms to our world. In this biology lesson, students research countries with limited food supply. They create an improvement plan for a fictitious country assigned to them.