Independent- Amount of sun/water (this one doesn't matter you can make something up)
Dependent- # of flowers
Control- Time
The answer is for short periods in the prone position. Hope this helps.
the African elephant is the largest land mammal
a drupe has usually only one seed but berries are characterized as having flesh endocarp and might have more than one seed hope this helps (if this is what u meant) also a drupe is a accessory fruit while a berry is a multiple fruit.