Q:

How do dolphins survive?

A:

Quick Answer

Dolphins survive by living within groups to protect one another, by eating various food found throughout the ocean and by breathing when they surface. Their bodies also help to support them after millions of years of evolution to the slender, torpedo shape that can swim quickly and powerfully.

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Full Answer

  1. They live together in pods.
  2. Dolphins are a species of animal that prefer to live together and it is rare to see a dolphin on its own. They live together in groups, from five dolphins up to several hundred dolphins, and not only live together, but also travel together. They will hunt together and play with one another. They are also known to interact with other dolphin species and whale species for socialization.
  3. They eat food found in the ocean.
  4. Dolphins eat different things depending on the species and on the climate. They most often eat fish, squid and octopus. Dolphins do not need to drink as humans do because the food that they eat often contains plenty of water so they ingest it when they eat their prey.
  5. They breathe air and breathe consciously while sleeping.
  6. Dolphins also survive by breathing air, which they do by coming up to the surface. They hold their breath underwater. When the dolphins sleep they must keep one-half of their brain conscious so that they can continue to breathe, as they are unable to involuntarily breathe while unconscious.
Learn more about Marine Mammals

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    How long can dolphins stay underwater?

    A:

    Dolphins are able to hold their breath for 15 to 17 minutes underwater. Dolphins are actually a type of whale, and they breathe through their blow holes.

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    How do dolphins sleep?

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    Dolphins sleep by a process called unihemispheric slow-wave sleep. This kind of sleep is believed to help dolphins and other creatures recover from their daily activities.

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    How do dolphins talk?

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    Dolphins start communicating from birth by squawking, whistling, clicking and squeaking, according to National Geographic. Members of a pod sometimes vocalize in varying patterns simultaneously, much like people holding different conversations at a party.

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    How big do dolphins get?

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    Dolphins grow to different sizes, with the bottlenose dolphin growing to be approximately 10 to 14 feet and weighing 1,100 lbs. while the orca whale grows to approximately 21 to 23 feet long and weights in at 6 to 10 tons. The orca whale is actually a dolphin and not a member of the whale family, reports Defenders of Wildlife.

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