Dolphins by jessie.wilson

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Slide Notes

Dolphins

Published on Dec 17, 2015

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PRESENTATION OUTLINE

DOLPHINS

BY JESSIE WILSON

Photo by Leo Reynolds

oxygen
A dolphin is not a fish it is a mammal so it need oxygen so when they surface to get oxygen and when they dive below the surface there blood only pumps to only vital organs such as the brain,heart, lungs.

Photo by nexus6

Fins
A dolphins fin goes up and down to help it get air compared to fish who just moves side to side it also helps them to navigate through the water faster

Photo by JoeBenjamin

Blubber
Dolphins have blubber streamlining the body for better speed in water

Photo by Rene Mensen

Communication
Dolphins use echolocation to find animals and objects in water. Dolphins also use this to communicate with each other and it's also been found out that dolphins put in tanks can go death from their own echolocation

Photo by spencer77

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