Which is the common character between all the mammals _______________.
They are oviparous.
Female have functional mammary glands.
They are herbivorous.
They are carnivorous.
A
They are carnivorous.
B
They are herbivorous.
C
Female have functional mammary glands.
D
They are oviparous.
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Solution
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All females of the class Mammalia have mammary glands. The glands produce milk after the birth of offspring. Milk is a nutritious fluid. It contains disease-fighting molecules as well as all the nutrients a baby mammal needs. Producing milk for offspring is called lactation.
Most mammals give birth to live young, but a few (the monotremes) lay eggs.
Mammals can be both herbivorous and carnivorous.
So, the correct answer is option D.
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