4 Questions
How many living species of marine mammals are there currently?
126
Which group of marine mammals includes seals, sea lions, and walruses?
Pinniped
What is the study of form and structure of an organism without consideration of function called?
Morphology
How many marine mammal species were listed as Endangered or Threatened in U.S. waters in 2017?
28
Test your knowledge about marine mammals, including seals, sea lions, whales, dolphins, manatees, and more. Learn about the different species and their conservation status.
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