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Sharks

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Sharks belong to a family called Chondrichthyes. The members all have cartilage. rather than ... Tiger Sharks. Garbage Cans of the Ocean. They eat anything ... – PowerPoint PPT presentation

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Title: Sharks


1
Sharks
  • Shy Ocean Creatures?

2
Anatomy of a Shark
  • Sharks belong to a family called Chondrichthyes.
    The members all have cartilage
  • rather than
  • bones.

3
Cartilage not Bones
  • Cartilage is lighter than bones and helps the
    shark to float.

4
Sharks Comes in all Sizes
  • Whale Shark
  • Dwarf Dog Shark
  • 6.5 in
  • to 59 ft.

5
Mermaid Purses?
  • Shark egg sacs

6
Lemon Shark
  • FICTION

7
Lemon Shark
  • Or FACT?

8
Great Whites
  • Ocean Acrobats

9
Tiger Sharks
  • Garbage Cans of the Ocean
  • They eat anything they can and help keep
  • the ocean clean

10
The Real Jaws
  • Meet the bull shark

11
Bull Sharks in Fresh Water?
  • Bull sharks can live
  • in both the sea and
  • fresh water. They have
  • been found in the
  • Amazon, Ganges,
  • Mississippi and
  • Australian rivers.

12
Goblin Sharks
  • Found only in deep waters, are extremely
  • rare, live on
  • fish and
  • octopus,
  • grow to
  • apprx. 10 ft.

13
Human Influence
  • Each year over 30 to 100 million shark are killed
    by nets, for food or for sport.

14
Shark Delicacys
15
Research
  • Researchers combine shark cartilage and
  • cow collagen to make sheet to place over
  • a burn victims skin. The patients cells
  • invade, absorb
  • and replace the
  • sheet with new
  • human skin.

16
Protection
  • Great whites are now protected along the
  • coast of California, Australia, South Africa
  • and the Maldives. Wildlife Conservation
  • Society has begun
  • a tagging program.
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