Questions about Sharks & Rays
- Are sharks primitive?
- Do sharks have any predators/threats?
- Have scientists have changed the name of the Lesser-spotted dogfish to Small-spotted catshark?
- How can marine mammals see underwater but we can’t?
- How do elasmobranchs crush hard prey with a “soft” skeleton?
- How do sharks and rays control their buoyancy without a swim-bladder?
- How do whale and basking sharks grow so big eating such small food?
- When did the first sharks appear on Earth?
- Why is the largest mammal bigger than the largest fish?