What is the term for a structure that has no use in an organism? A) homologous
B) Index
C) Vestigial
D) Sedimentary

c) vestigial

Explanation:

vestigial tend to be largely or entirely functionless

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.