Earthworms don't have teeth - although they do have mouths that are muscular and open wide for fitting in food. "Food" is usually decaying matter, including leaves. It is softened by moisture and microrganisms before the worm eats it, so teeth aren't necessary!
"How long does grapefruit grow?" In other words, does grapefruit grow on trees or plants?
A sub-tropical citrus tree, the grapefruit, Citrus X paradisi, produces tart, edible fruit. It is believed to be an accidental combination of the orange and a fruit known as the pummelo. The grapefruit was first described around 1750 in Barbados and soon after recorded as growing in Jamaica.
The following pictures are the pummelo, grapefruit, orange that we had the other day after finding out the above fact. Pummelo definitely has the thickest peel and toughest skin. Grapefruit is the tartest...thought pummelo would be...
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