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1. www.nationalgeographic.com › animals › fishSharks, explained - National Geographic

   www.nationalgeographic.com › animals › fish

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   Learn about the world's oldest and most diverse fish, from their skeletons and teeth to their diets and migrations. Find out how sharks are threatened by overfishing, climate change, and human activities.

   • Videolänge: 5 Min.

2. Videos

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     5:17

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     Sharks 101 | National Geographic

     25. Juli 2019

     8.4M Aufrufe

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     26:09

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     Sharks 101 | Shark Facts | The Dr Binocs Show | Peekaboo Kidz

     29. Nov. 2022

     2.2M Aufrufe

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     15:09

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     The Complete Guide to Sharks – Everything You Need to Know

     14. März 2023

     12.7K Aufrufe

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3. en.wikipedia.org › wiki › SharkShark - Wikipedia

   en.wikipedia.org › wiki › Shark

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   Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the Batoidea ( rays and kin).

4. www.worldwildlife.org › species › sharkShark | Species | WWF - World Wildlife Fund

   www.worldwildlife.org › species › shark

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   Learn about sharks, their diversity, importance and threats from overfishing, demand for fins and bycatch. Find out what WWF is doing to protect sharks and rays and how you can help.

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6. www.nationalgeographic.com › animals › articleShark Facts: Attack Stats, Record Swims, More - National...

   www.nationalgeographic.com › animals › article

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   13. Juni 2005 · Learn about shark diversity, behavior, ecology, and threats from this article by National Geographic. Find out how sharks are related to humans, how they breathe, how they reproduce, and why they are endangered.

   • Videolänge: 3 Min.

   • Autor: Brian Handwerk

7. www.youtube.com › watchSharks 101 | National Geographic - YouTube

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   25. Juli 2019 · Sharks 101 | National Geographic. Sharks can rouse fear and awe like no other creature in the sea. Find out about the world's biggest and fastest sharks, how sharks reproduce, and how some...

   • Videolänge: 5 Min.
   • Ansichten: 8,4M

   • Autor: National Geographic

8. ocean.si.edu › ocean-life › sharks-raysSharks | Smithsonian Ocean

   ocean.si.edu › ocean-life › sharks-rays

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   Learn about the diversity, anatomy and evolution of sharks, the top predators of the ocean. Find out how sharks are threatened by fishing, finning and fear, and what is being done to protect them.

9. www.sharks.org › speciesShark Species — Shark Research Institute

   www.sharks.org › species

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   SRI conducts and sponsors rigorous, peer-reviewed field research about sharks and uses science-based information to educate and advocate for shark conservation policies and protections by the world’s governing bodies, including CITES.