Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.

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Across: 1. _________ whaling is the reason of Fin Whale being endangered? 4. What do manatees feed on mostly to survive? 6. What do seals and sea lions feed on? 7. Which is the largest animal inhabiting on Earth till now? 8. _________ activities plays a role in affecting the natural response of coastal ecoystem to sea-level rise. 9. What is the other cause that would cause pollution in the sea to worsen other than coastal erosion?

Down: 1. Are Great White Sharks carnivores, omnivores or herbivores? 2. What are whales, dolphins and porpoises grouped under as mammals? 3. What kind of turtles have flippers unlike other land turtles? 4. If you do not protect the marine life in time, they will _______ from Earth sooner or later. 5. What is another of spillage from ships and industries that causes pollution in waters other than deposing rubbish to it?