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Whales

 Whales Composition

Whale (origin Old English hwæl from Proto-Germanic *hwalaz) may be the common identity for various marine mammals of the order Cetacea.[1] The term whale sometimes refers to most cetaceans, yet more often that excludes dolphins and porpoises, which in turn belong to the suborder Odontoceti (toothed whales). This suborder includes the sperm whale,  killer whale,  pilot whale, and beluga whale. The other Fish suborder,  Mysticeti (baleen whales), comprises filter feeders that consume small creatures caught by straining seawater through a comblike structure present in the mouth called baleen. This suborder includes the blue whale, the humpback whale, the bowhead whale and the minke whale. Almost all cetaceans possess forelimbs customized as fins, a tail with horizontal flukes, and sinus openings (blowholes) on top of the head. Whales selection in size through the blue whale, the largest animal known to have ever existed[2] at 30 m (98 ft) and 180 tonnes (180 lengthy tons; two hundred short tons), to pygmy species just like thepygmy sperm whale at several. 5 m (11 ft). Whales live in all the planet's oceans and number in the millions, with annual human population growth price estimates pertaining to various kinds ranging from 3% to 13%.[3] Whales are long-lived, humpback whales living for about 77 years, while bowhead whales may well live over a century. Man hunting of whales from the 17th century until 1986 radically lowered the foule of some whale types. Whales have appeared in literature because the time of the Testament, may play a role in Inuit creation common myths, and are adored by coastal people in Ghana and Vietnam. Items

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1 Taxonomy

2 Evolution

3 Anatomy

3. 1 Blowhole(s)

3. 2 Appendages

3. 3 Dentition

3. 4 Ears

4 Life background behavior

four. 1 Reproduction

4. 2 Socialization

5. 3 Sleep

5. 4 Surfacing habit

4. 5 Sounding

4. 6 Lifespan

4. 7 Vocalization

5 Ecology

your five. 1 Feeding

5. 2 Whale pump

5. 3 Whale fall

6 Interaction with individuals

6. 1 Whaling

6. 2 Bycatch

6. 3 Naval sonar

7 Human mythology

8 See also...

References: 10 Further studying

11 External links

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