The story of the evolution of early birds winds through the chapter as an example of the dynamic nature of science. Why is it likely the dinosaur-bird evolutionary tree will be modified again?
Choose one:
A. The fossil record is incomplete, so the relationship between birds and dinosaurs will never be resolved, leaving the evolutionary tree to always be questioned.
B. The process of science is one of continual discovery, and new information is likely to be discovered that could change our current understanding.
C. Because dinosaurs are extinct, the dinosaur-bird evolutionary tree can never be resolved.
D. Because of the rapid advancements in technology, DNA analyses will ultimately prove that birds did not descend from dinosaurs.