Answer:
Nitrogen is the right answer.
Energy needs Birds because they are warm-blooded and have powerful muscles to beat their wings. Birds must eat food with a high energy content. .the seeds soften and become easier to digest.
Many fruits contain specialized structures that are adaptations for The answer is D. aiding in seed dispersal.
Maple trees have fruits with "Wings" that help the gale disperse the seeds. Some flowering plants grow fleshy fruit that benefits disperse their seeds. When animals eat the fruit, the seeds pass through an animal's digestive tract undamaged.
