Homologous traits (e. g. "forearm" bone structure of whales, humans, and horses) Analogous traits (e. g. wings of birds and butterflies)

Choices
-Different structure same function
-Same structure different function

Can you tell me which goes with Analogous and which goes with Homologous

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

because the light is a great source of energy for the plants to survive. (i hope this )