Afly eats a piece of fruit; a spider eats the fly; a bird eats the spider. the bird dies, and is decomposed. at which stage of the food chain is the most energy transferred from organism to organism?

I believe the answer is: A fly eats a piece of fruit;

From all organism on earth, those who obtain their food through photosynthesis are the one that contain the largest amount of energy, and the energy transferred would keep getting smaller as the organism being consumed by other organism. From the sample above, only trees where the fruit is hanging are the one that obtain their food through photosynthesis

no the answer is c only objects touching the earth's surface can be acted upon by an outside force

the first question's answer is a.