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Chapter 11

Horizontales
The fin-like tail of cetaceans
Whales leaping up in the air and crashing down on the surface of the ocean
The nostrils of cetaceans
The melon of sperm whales
A specialized type of blood cell that carries hemoglobin in verterbraes
The accumulation of excrement of seabirds
A school of cetaceans (dolphins)
The length of time between fertilization and birth in mammals
Vertebraes that have two pairs of legs
Verticales
A thick layer of fat under the skin of many marine mammals
Fatty structure on the forehead of toothed whales
Large globs of sticky material that accumulates in the gut of sperm whales
A large group of females herded by a male for the purpose of breeding
Waxy oil that is in the melon
The release of an egg from the ovary
The slowing down of heart rate during diving in marine mammals
A membrane that connects the embryo with the mother's womb to provide nourishment
Nature's version off sonar