At one time, Chondrichthyes were thought to have split off from other vertebrates before the evolution of bone. Now we have concluded that the Chondrichthyes split off after the evolution of bone had started. This change demonstrates ________.
A) as new evidence emerges, scientists revise their hypotheses
B) scientists develop hypotheses and only accept data that confirm their hypotheses
C) revisions of hypotheses take many years
D) scientists accept the simplest hypotheses

Question

Quizplus · Accepted Answer

This change demonstrates that as new evidence emerges, scientists revise their hypotheses.

At One Time, Chondrichthyes Were Thought to Have Split Off