ellipse wiki:
>For other uses, see Ellipse (disambiguation). Elliptical redirects here, for the exercise machine, see Elliptical trainer. In mathematics, an ellipse (from the Greek for absence) is a plane algebraic curve where the sum of the distances from any point on the curve to two fixed points is constant. The two fixed points are called foci (plural of focus).
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lobster wiki:
>NeophoberinaeAcanthacarisThymopinaeNephropsisNephropidesThymopsThymopsisNephropinaeHomarusNephropsHomarinusMetanephropsEunephropsThymopides Clawed lobsters comprise a family (Nephropidae, sometimes also Homaridae) of large marine crustaceans. They are important as an animal, a business and a food.
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