Question

Which is used as an energy source by polar bears and orange trees?
A. sunlight
B. glucose
C. glycogen
D. starch

Answer 1

A

Answer 2

because the sunlight gives energy to the orange tree through photosynthesis.... The polar bear probably wouldn't be in an area where orange trees (or any plants) are present, so it would get it's energy from eating another organism that got it's energy by eating a plant