PBS
Symbiotic Strategies: The Secret Lives of Sharks and Rays
Learners investigate the interaction in an oceanic ecosystem. For this symbiotic relationship lesson, high schoolers investigate how ecological relationships evolve over long periods of time in order to maintain balance and stability of...
Curated OER
Symbiotic Strategies
Students explore the different interspecies relationships namely mutualistic, commensal and parasitic. In this ecology activity, students investigate an ecosystem disrupted by humans. They formulate an action plan to save it and present...
National Park Service
Nutcracker Fantasy
The Clark's nutcracker bird hides seeds in 25,000 different sites every year to save for winter. Lesson demonstrates how difficult it would be to find these seeds months later when they need them for food. In the first of five lesson,...
Curated OER
Bird Brained?
High schoolers identify general abilities that indicate animal cognitive intelligence. In this biology lesson, students create an intelligence testing challenge for ravens. They compare its ability to that of a crow.
Curated OER
Animal Nutrition, Variations, Adaptations & Regulation
Information about digestion of various food components is given in this PowerPoint. The diets of herbivores and carnivores are compared, and there are many diagrams giving details of their digestive system specializations. The labelled...
Curated OER
Animal Nutrition - Variations, Adaptations, & Regulation
Colorful pictures and graphics make this a visually-appealing presentation on animal nutrition. Be aware that two of the sixteen slides include blank graphic organizers, so you will need to find the other existing version of this...
Curated OER
One Tough Worm
Students explain the process of chemosynthesis. They are able to explain the relevance of chemosynthesis to biological communities in the vicinity of cold seeps.
Curated OER
C.S.I. on the Deep Reef
Students study chemotropic sybioses and chemotropic nutrition. In groups, they complete a Chemotrophic Species Investigations (CSI) Worksheet.