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Grade 12th pass9 grade science

Why whales are not grouped in the fishes?

Profile image of Harshit Singh
4 Years agoGrade 12th pass
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1 Answer

Profile image of Jayesh Vashishtha
4 Years ago
Dear student,
 
Whales give birth to live young while fishes lay eggs. Whales have mammary glands to feed their young while fishes do not have. Whales have four chambers in their heart while fishes have two. Therefore, whales are classified under a separate class called mammals.
 
regards,
team Askiitians