Periwinkles in a tank and in nature may adjust their position to remain just above the waterline. One hypothesis is that they do it to avoid predation. Students hypothesize, design and conduct experiment, write up. Anemone feeding response lab . Anemones are easily collected in fouling communities.
Students hypothesize, design and conduct experiment, write up.
Blue crab dissection and feeding lab . Get a standard crab dissection lab but use cooked, seasoned blue crabs. This relates the project more to students' life experiences. Habitat lab report . Assign different intertidal habitats to groups of students, or have them all do one habitat.