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What kind of symmetry do cnidarians have?

What kind of symmetry do cnidarians have?. Cnidarians have a radially symmetrical cup or bag-like body made up of two layers of cells. How much is known about the mating habits of the Great White Shark?. Very little.

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What kind of symmetry do cnidarians have?

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  1. What kind of symmetry do cnidarians have?

  2. Cnidarians have a radially symmetrical cup or bag-like body made up of two layers of cells.

  3. How much is known about the mating habits of the Great White Shark?

  4. Very little

  5. On a male shark, how many claspers do they have, and are they all fully functioning?

  6. 2, yes.

  7. What do nurse sharks utilize to coerce the female during courtship?

  8. Their teeth.

  9. How long have sharks been around?

  10. Approximately 405 million years.

  11. Scientists classify organisms because

  12. it helps identify relationships between organisms and to avoid confusion. • it requires them to clearly identify key characteristics of each organism. • it allows researchers to always use an organism’s common name.

  13. An organism’s scientific name represents

  14. genus and species

  15. Name the 7 levels of classification.

  16. Kingdom • Phylum • Class • Order • Family • Genus • Sex

  17. Taxonomists determine into which taxa to classify an organism based on

  18. Anatomical features • DNA, or genetic makeup

  19. Sponge larvae are more animal-like than adult sponges because

  20. they’re free-swimming organisms.

  21. Organisms in phylum Cnidaria include

  22. jellyfish. • anemone. • hard corals.

  23. Scientists think that ____ evolved during the Cambrian period, allowing vertebrates to become very successful predators.

  24. Jaws

  25. Organisms in class Chondrichthyes include ____ and ____.

  26. sharks, rays

  27. Class Chondrichthyes characteristics include

  28. cartilaginous skeletons. • No swim bladder

  29. Traits that make sharks and rays successful predators include

  30. a light cartilage skeleton • backward-pointing denticles and lateral lines • ampullae of Lorenzini.

  31. Most sharks and rays fertilize their eggs

  32. internally.

  33. The largest shark is the ____, which eats ____.

  34. Whale shark, plankton and small fish

  35. How many people, on average are killed via shark attack each year?

  36. 5

  37. A shark’s intestine is shaped like a

  38. spiral staircase

  39. A caudal fin is used for

  40. Propulsion

  41. The pectoral fin is used for

  42. steering and stopping

  43. Sharks detect variations in water pressure and vibrations with this adaptation

  44. Lateral Line

  45. Great White Shark teeth are most closely related to what common household item?

  46. A saw

  47. Sharks that lay eggs are called

  48. oviparous

  49. Hammerhead sharks give live birth, this is called being

  50. viviparous

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