for reproduction reasons
Marine mammals have internalized genitalia for streamlining.
its both survival and reproduction
It is not in their reproduction cycle instinct to do so, though some whales it is an instinct so they must travel to that certain location in order to breed.
The method of reproduction is by internal fertilisation by the sperm of a male blue whale. With the mother giving live birth at the end of the gestation period. The baby is suckled on the mother's milk until it has grown big enough to be weaned.
Swimming, breaching (going up to breath), spraying water out of blowhole, reproduction, and singing whale songs.
All species of whales reproduce sexually. Both a male and female of the species is required for reproduction and offspring share genetic traits of both parents.
Most fish reproduce sexually (as per usual there are exceptions). Marine dwelling mammals (dolphins and whales) all reproduce sexually.
All species of whales reproduce sexually. Both a male and female of the species is required for reproduction and offspring share genetic traits of both parents.
The whales fertilize using internal processes. Whales are mammals and they use sexual reproduction like the other mammals and the female gets pregnant for about 12 months before giving birth. .
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THE TOOTHLESS WHALES: blue whales, finback whales, right whales, sei whales, humpback whales, and gray whales. THE TOOTHED WHALES: white beluga whales, black beluga whales (pilot whales), orcas (killer whales), sperm whales.