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Why Do Flowers Have Sepals?
Why Do Flowers Have Sepals? The sepals of a flower protect it while it is in bud. The flower is really a kind of…
When Does a Tadpole Become a Frog?
When Does a Tadpole Become a Frog? Frogs’ eggs become tadpoles within two weeks of being laid in the water, but tadpoles may take…
Where Did All the Dodos Go?
Where Did All the Dodos Go? The dodo was rather a stupid bird. Indeed, it was so stupid that it was named dodo by…
Why Do Bats Make High-pitched Sounds?
Why Do Bats Make High-pitched Sounds? Bats use high-pitched squeaks called ‘ultrasounds’ to find their way about. They are nocturnal ani
When Was the Fork Invented?
When Was the Fork Invented? The earliest forks weren't forks like we know them today, though. They were mainly two-pronged tools used to coo