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The upper surface of the starfish is called the aboral. The lower surface is called the oral.
The lower surface is the oral side. The upper surface is referred to as the aboral side.
aboral or dorsal
the pedicellaria
no it is in the middle of the underside
There are about 92 stomatas on upper surface and 39 stomatas on the lower surface. In a dorsiventral leaf number of stomata is more on the lower surface hence the above answer may please be verified
Yes. looking at a plane's wing 'end on' - the upper surface curves, while the lower surface is straight. This causes the air flowing over the upper surface to travel further than the lower surface - which creates lift.
Lower epidermis
It is located on the Aboral surface of the starfish (upper side), and it is sightly off centered, however not to be confused with the anus, the Madreporite is slightly larger than the anus.
The simple answer is an Airfoil. The upper surface of most aircraft wings, will have a curve to it ,while the lower surface is relatively flat. Aerodynamic or it is said to be in the shape of 'aerofoil'
lower part upper part is called Ariom i think
stomata is present on a leaf's lower surface. but in plants that float on water, stomata is present on a leaf's upper surface, and the lower surface is protected by a coating of wax.