How do some producers and consumers each rely on light from the sun?

What evidence was found from soft tissue samples of a remarkable well-preserved tyrannosaurus rex that provided molecular evidence linking t. rex to a chicken? a. antibodies that react in a specific way with chicken proteins reacted in the same way with t. rex proteins. b. oxygen was found to be essential to t. rex’s survival in the same way that it is essential to a chicken’s survival. c. t. rex cell structure was found to be similar to the cell structure of chickens. d. t. rex cells were found to use glucose as a source of energy just like a chicken’s cells use glucose.