blowhole

A detachment of cetaceans (Cetacea)The order Cetacea includes 77 species of whales, dolphins and their relatives. All my life they spend in the water and out of it quickly perish.

The structure features of this species:

The body bare, streamlined.

Body movement is a powerful tail with two horizontal rowing a leaf on the end. The front limbs have evolved into flippers, the back is completely missing. Nostrils (blowhole) are on the top of the head.

Mating, birthing and feeding of offspring occur in the water. The litter usually one pup, although there are twins.

In unit two suborders: toothed and baleen whales. Continue reading

dolphinhouse

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