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Organisms in class Reptilia share the characteristic of

Organisms in class Reptilia share the characteristic of . breathing with lungs at all stages of their life. having scales. laying internally fertilized eggs. Manatees are considered not to be as intelligent as dolphins because . their brain is very smooth compared to a dolphin’s. .

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Organisms in class Reptilia share the characteristic of

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  1. Organisms in class Reptilia share the characteristic of

  2. breathing with lungs at all stages of their life.having scales.laying internally fertilized eggs.

  3. Manatees are considered not to be as intelligent as dolphins because

  4. their brain is very smooth compared to a dolphin’s.

  5. This marine mammal are specialized hunters of their local food source

  6. Killer Whales

  7. The greatest threat facing the polar bear is?

  8. Global Warming

  9. The polar bear is found near what area on Earth?

  10. only the arctic circle

  11. Toothed whales (dolphins) have _____ blowhole(s), while baleen whales have _____ blowhole(s).

  12. 1, 2

  13. What fins do sharks have that dolphins do not?

  14. Pelvic Fins, Anal Fins, and 2nd dorsal fins

  15. The common ancestor to all modern whales came from

  16. land

  17. Polar Bears and Sea Otters belong to this order?

  18. Carnivora

  19. One significant difference between seals and sea lions is

  20. The shape and function of their hip bones

  21. Next to humans which species is the most widely dispersed in the world

  22. Orca (Killer Whale)

  23. The main difference between a manatee and a dugong is

  24. Shape of their tail

  25. Dolphins produce high pitched clicks to find food. This adaptation is called

  26. echolocation

  27. Dolphin family groupings consist primarily of

  28. females and their juvenile young only

  29. Dolphins family structures are called

  30. Pods

  31. Human activities that have endangered or may endanger marine mammals include

  32. whaling.overfishing.fur hunting.

  33. The marine mammals in order Sirenia include

  34. manatees and dugongs

  35. Whales, porpoises, and dolphins belong to order ____.

  36. Cetacea

  37. Seals and sea lions belong to order ____, but have differences including that seals ____ and sea lions ____.

  38. Pinnepedia, lack ear flaps, have ear flaps

  39. Marine mammal adaptations to the challenges of living in the sea include

  40. the mammalian diving reflex.myoglobin for storing oxygen.breathing air to meet oxygen demands.

  41. Organisms in class Mammalia have characteristics that include

  42. that almost all give birth to live young.nourishing their young with milk provided by mammary glands.being homeothermic.

  43. Adaptations to marine environments exhibited by the various bird species include

  44. webbed feet.the ability to “fly” underwater and over wide expanses of water.bill adaptations, such as the pelican’s pouch.

  45. The role birds play in marine ecosystems include

  46. being predators and prey.providing nitrogen compounds to the ocean.

  47. Members of class Aves share the characteristic of

  48. feathers and laying internally fertilized eggs.forelimbs that are wings.

  49. Marine reptiles include

  50. sea snakes and 15 species of marine lizard.saltwater crocodile.seven species of marine turtle.

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