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Joyce Lo

on 4 February 2013

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Transcript of Dolphins

By Michaela Hanak 9A Dolphins Types of Dolphins What are Dolphins? Earth's most intelligent animals. Relationship with Humans: Encounters between dolphins and people have been documented since early civilization. Marine mammals that are related to whales and pilot whales. Also warm blooded. By: Michaela Hanak 9A Scientific classification:
Kingdom: Animalia
Division: Chordata
Class: Mammalia
Order: Cetacea
Family: Delphinidae Behavior: Social Life: Live in fluid social groups (Pods)spend part of their day communicating with other dolphins. Just like humans they can do the stuff we do, like reproduce, have young, breath air, they even have a bit of hair but lose it after birth. Sixth Sense: Echolocation is how they communicate with others, they make sounds that bounce off objects that return to who they are speaking to. Lifespan: Most live long lives. The bottlenose dolphin can live over 40 years. There are 33 diferent types of marine dolphins Short-finned Pilot Whale: These whales are part of the dolphin family, common in the Gulf of Mexico. Size: Up to 3.1 metres, female is smaller. Range: Cool waters of North Atlantic and North Sea And of course the Bottlenose dolphins white beaked dolphin Adaptations: long nose helps them kill sharks.
A fish's back fin goes side to side. A dolphin’s tail goes up and down to help it dive up to get air.
need to save oxygen while they dive underwater....... Their heart beats slower while diving, and their blood goes away from other parts of the body and goes to their heart, lungs, and brain. Some species have enemies such as sharks. Natual Threats Mini Lessen Suffer from Diseases and parasites. ki killed in a drive hunt. Now i hope you all learned something today as much as i did reshearching it/w background knowledge P.S Im obsessed with dolphins if you didn't already know.
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