Explanation by nita a malia   dolpin
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Explanation by nita a malia dolpin

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Explanation by nita a malia   dolpin Explanation by nita a malia dolpin Presentation Transcript

  • Hi, welcome to our Dolphin Presentation. Dolphins  Under the Sea    By: Nita Amalia XII IPA 2SMAN 2 MATARAM
  • Why Did We Pick This Animal? We chose the dolphins becausethey are so friendly with people.  Another reason why we chose the dolphin is because they are a mammals like we are.
  • Description
  • DESCRIPTION• Dolphins have gray skin, they can also have different color skin. There is a pink dolphin in the Amazon.• The body is sleek and smooth; the hairless skin is rubbery to the touch. Most species have jaws that protrude into a beak like snout.• They are a warm-blooded vertebrate animal.
  • Adaptations •Dolphin’s have smooth skin. •They have slippery bodies that help        them glide through the water. •Blubber (fat) helps the dolphin stay warm in cold water.
  • Habitat
  • General Habitat     This animal lives in warm salty waters. They are able to live in a wide variety of marine habitats, from deep oceans to shallowshorelines. Coastal living dolphins can be foundin harbors, bays,lagoons, and river mouths that open into the oceans. Offshore  living bottlenose dolphins do equally well in the deep, cold oceans far from shore. 
  • Temperatures• Dolphins are sensitive to water temperature changes• The largest bottlenose dolphins live in the coldest waters. The smallest live in the warmest waters.• Ocean temperatures can also affect the kinds of foods that live in an area, which in turn affects dolphin behavior.
  • Water•Since dolphins live in the water it is very important to them.•Dolphins breath air even though they are water animals andthey can drown in fishing nets.•Dolphins are very sensitive to changes in their habitat fromtrash being dumped to global warming.
  • Plant Life• There are different water plants that are in a dolphins enviroment.• There is seaweed and plank ton• Dophins eats fish who live on this plant  life.                                         
  • Animal Life• There are different animals that live in a Dolphins enviorment.• There are little fish that Dolphins like to eat like shrimp or mullet • The big animals that also share the same habitat are sharks and sea turtles.
  • Sensory Organs
  • Sight • Dolphins have very good vision both above and below the water. • They are able to see in both environments, because they can control the way light enters their eye.  • One way they use their sight to escape predators 
  • Smell• It is believed that they have no sense of smell• They rely on their other senses to help them in the wild• Tasting the water can be their way of "smelling" it.
  • Hearing • Dolphins hear about 7 times better than humans do. • They can hear vibrations in the water • It is believed that their teeth are arranged in a way that works as an antenna to receive the incoming sound 
  • Taste• Little is known about a dolphins sense of taste• They do have taste buds• They show strong preferences for certain types of fishes.
  • Touch• The dolphins sense of touch is also well-developed• A bottlenose dolphins skin is sensitive• It will shy away if a human attempts to touch it. 
  • Food and Life Cycles
  • Life Cycle•After eleven or twelve months, depending on the species, apregnant dolphin gives birth.•Dolphins, like almost all mammals, give birth to live young,and nurse them•A calf stops nursing at 18 months. At 3-4 months old thecalf gets teeth and begins to eat fish. When calves are only afew days old they can vocalize (make sounds).•A dolphin’s average life span is probably 20 years or less;even though, dolphins have lived as long as 48 years.
  • Food ChainThe sun warms the plants, which the small sea animals eat,and the dolphin eats the small sea animals, and the shark eatsthe dolphins.
  • Interesting Facts
  • Interesting Fact #1These warm-blooded mammals belong to a group which also encompass all whales.
  • Interesting Fact #2Dolphins have been clocked at speedsof 26.3 km/hr, which they maintained for about 1500 meters, leaping constantly.
  • Interesting Fact #3  A dolphins’ long nose helps them kill sharks.
  • Interesting Fact #4They breathe through a special opening on their heads called a "blowhole". When dolphins are relaxed or underwater, their blowholes are closed.
  • Resourceshttp://library.thinkquest.org/CR0215242/dolphins.htm http://thedolphinplace.com/facts.html    http://en.wikipedia.org/wiki/Dolphin http://www.dolphinsplus.com/dolphin-information.htm#hearinghttp://www.dolphinsplus.com/dolphin-information.htmhttp://www.dolphins-world.com/Dolphin_Reproduction.htmlhttp://library.thinkquest.org/3935/DOLPHINS.HTM
  • Hope you enjoyed the show!  Bye - Bye The End