The aphids lack FAT!!!! Its common sense. When you break a plant in half, watery stuff comes out meaning that the plant transports WATER!!
The surface of the leaf that loses water the fastest is the one with the LOWEST BAR!! The lowest bar means it took the least time to turn the paper pink, which means it gave out water the fastest.
The heart one is the 2 atrioles, or W and X, or answer A.
The monocot leaf is D, the long thin one.
The energy flow diagram is D, the one that goes from the decomposer to the plant.
The last question.... I have no idea. I put B
. BUT ONLY ONE WRONG SO FAR WOOHOO!!