work in progress for bio class

1. Dolphins An inside look on their anatomy, ecology, and behavior

2. Some Background Info: There are about 60 different species of dolphin There habitat is mostly in tropical and temperate oceans Trivia: The name dolphin is applied to species that have beaklike snout and slender body and the name porpoise is given to species that have blunt snouts and a stocky body.

3. Anatomy Brain and Sense Organs Locomotion Feeding

4. Brain…and Sense Organs Brain is Large and Developed

5. Nose, Eyes, and Ears Almost no sense of smell Eyes are well developed Ears are most important sense

6. Communication Do not emit sounds with voice box Sounds pass through tissues of the head Sounds can travel hundreds of miles Fatty Organ: Melon

7. Locomotion Swing tail through the water Forelimbs used for navigating Fins resemble flat oars (five fingers) Dorsal fin stabilizes body

8. Locomotion continued… Tail Fluke Body is efficient for locomotion Must come to the surface for air My0globin

9. Feeding Prong-like teeth Fish, Crustaceans, squid and mollusks