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Mar 27

Cetacea:- General characters and adaptations?

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Mar 27
Cetacea is the scientific order that includes whales, dolphins, and porpoises. These marine mammals have several general characteristics and adaptations that have allowed them to thrive in their aquatic environment:

1. Streamlined body shape: Cetaceans have a streamlined body shape that helps reduce drag in the water, allowing them to move efficiently through the water.

2. Blubber: Cetaceans have a thick layer of blubber under their skin that helps insulate them from the cold water and provides energy storage.

3. Flippers and flukes: Cetaceans have adapted flippers and flukes that help them navigate and propel themselves through the water with speed and agility.

4. Blowhole: Cetaceans have a blowhole on the top of their head that allows them to breathe air at the surface without having to fully surface.

5. Echolocation: Many cetaceans, such as dolphins and some whales, use echolocation to navigate and locate prey in the water. They emit high-frequency sounds that bounce off objects and return to them, allowing them to "see" their surroundings.

6. Social behavior: Cetaceans are highly social animals that often live in groups called pods. This social structure helps them communicate, hunt, and protect each other in their marine environment.

7. Migration: Many cetacean species undertake long-distance migrations between feeding and breeding grounds, taking advantage of different habitats and resources throughout the year.

Overall, cetaceans have evolved a range of adaptations that allow them to thrive in their aquatic environment and successfully navigate the challenges of life in the ocean.

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