Question
Assertion: Bats and whales are classified as mammals.
Reason: Bats and whales have four chambered heart.
Reason: Bats and whales have four chambered heart.
Answer: Option B
:
B
Bats and whales are members of Class Mammalia. Bats are mammals which have wings and can fly, while whales are the largest animals in existence.Both bats and whales have four chambered hearts, but this is not the reason for them to be classified as mammals. They are mammals because of the presence of mammary glands. Moreover, birds and crocodiles also have four chambered hearts, which indicates that the four chambered heart is not unique to mammals alone.
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:
B
Bats and whales are members of Class Mammalia. Bats are mammals which have wings and can fly, while whales are the largest animals in existence.Both bats and whales have four chambered hearts, but this is not the reason for them to be classified as mammals. They are mammals because of the presence of mammary glands. Moreover, birds and crocodiles also have four chambered hearts, which indicates that the four chambered heart is not unique to mammals alone.
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