A long beak adaptation in a bird from a temperate forest primarily aids in obtaining nectar from flowers.
The most likely reason a long beak could be an adaptation for a bird living in a temperate forest is B. This is because a long beak would allow the bird to access nectar from flowers, which could serve as a food source in a temperate forest ecosystem. Darwin's finches offer a real-life example of how beak adaptations can be tied to specific food sources.
https://brainly.com/question/32043543