Explanation:
The "fossil record" refers to the placement of fossils throughout the surface layers of the Earth. Older fossils are buried more deeply than younger ones. Scientists use the placement of fossils as a guide for determining when life forms existed, and how they evolved.
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.
The seeds fly everywhere so therefore it is logical
