The steps involved in gas exchange in a fish are shown in random order. v - water passes over the gills. w - water moves through the mouth. x - water passes through slits on both sides of the fish. y - oxygen moves into the blood. z - carbon dioxide moves into the water. which lists the correct order of the steps? a) v, w, x, y, z b) x, z, w, v, y c) w, x, y, z, v d) w, v, y, z, x

The genetic code is essentially the same for all organisms. based on this information, one can logically assume which of the following statements to be correct? a. dna was the first genetic material. b. the same codons in different organisms translate into the different amino acids. c. different organisms have different numbers of different types of amino acids. d. a gene from an organism can theoretically be expressed by any other organism. e. all organisms have experienced convergent evolution.