Divide the class into co-operative groups and give each group a piece of chalk and tape measures. Have the children measure the length of one of the designated mammals and draw the mammal with chalk onto the playground. Discuss and review original story and the parts of the dolphin body and how the dolphin used these parts in the story. Introduce and discuss the word adaptation . Adaptations are modifications of an organism that make it more suited to live in its environment.
Adaptations help an animal to survive so that it can reproduce.
They make the animal better at moving, feeding, hearing, smelling, surviving when food is scarce, escaping predators, reproducing, etc. For example, flippers, flukes, lungs, a dorsal fin, and a blowhole are some of a dolphin's adaptations. Show the class photographs in the photo album and on the disk of dolphins. Discuss how humans are part of the ocean ecosystem, and people can alter the ecosystems. Human activities can accelerate environmental changes.