The illustration above depicts different embryological stages of 4 different vertebrates. Choose all the true statements concerning embryological development of these four species.

i think that d. wind is the answer.   i missed the question when i answered a. currents.

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.