Label the parts of the eye in the picture. the choices are optic nerve, cornea, iris, pupil, lens, and retina. (1) (2) (3) (4) (5) use the choices from the question if you can !

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

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.