Vines most successfully compete for sunlight in tropical rainforests by
a. climbing up into the canopy
b. strangling the trees they grow on
c. having broader leaves that absorb more light
d. having thick, woody stems

The correct answer is (A) climbing up into the canopy.

Vines are the plants that grow like climbers. They grow from bases on long stem and they move in a climbing pattern. All the vines are not sun facing some of them grow against sunlight but some other plants like grapevine grow by climbing up into the canopy. They do so to compete for sunlight.

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

if someone had the list of traits you provided