Crabs seaweed and clams are all what?

Crabs, seaweed, and clams are all marine organisms found in oceanic environments. They belong to different biological classifications: crabs are crustaceans, seaweed is a type of algae, and clams are bivalve mollusks. Together, they contribute to diverse marine ecosystems and play important roles in food webs. Additionally, they are often utilized in culinary dishes and have economic significance in coastal communities.