You're here: My Science Blogging » Animal World » Article: Whales Are Not Fish
Yessi Pratiwi — July 3, 2009 / 8:47 pm
If you still think that whales are fish, you’d better change that mind just now. Well, it really seems like a fish, huge fish, but in fact, it’s not a fish. There are many differences between fish and whales. Whales are much bigger than fish. Fish stay underwater all the time and breathe through gills that take oxygen out of water. Whales breathe through lungs just as you do, so they must come up for air.
Whales are mammals, and they have some common signs like other mammals, like breathe the air into lungs ( You know, fishes use gills to breathe), they have hair (and you can’t compare it to land mammals who have lot more hair), warm blooded, four-chambered heart, and have mammary glands. What about fish? Come on, fish lay eggs. It has no mammary glands 
Credit : naturescrusaders
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p4ladin
thanks.. for this information…
hehehehe..
blog yang sangat menarik..
July 12th, 2009 at 10:34 pm