2 Families Odontoceti (toothed whales) 67 species One opening for blowhole Mysticeti (baleen whales) 11 species Two openings for blowhole.
Respiration & Breathing Respiration What is respiration? It is the release of energy from food substances in living cells.
Whales, Dolphins and Porpoises Whales, dolphins and porpoises are cetaceans (Class Mammalia, Order Cetacea) Of all the marine mammals, cetaceans (and sirenians)
Whales. Fossil Record Shows that some land animals began to make the transition to sea animals about 50 million years ago.
Heck yeah.. Whale singing! =D (communication) Whale songs are a series of different themes given in a predictable order. Sailors heard the songs and likened.
Excretory & Respiratory Systems Lungs and Kidneys.
Order - Sirenia (Sirenians) Manatees, dugong, sea cows, and mermaids - Front flippers/ no rear Swim with up and down tail motion.
