Vestigial structures, such as hip bones in whales and appendixes in humans, are those that have little or not function for the organism. What is the most likely reason for this loss of function over time? A) The organism is undergoing speciation.
B) The organism is experiencing genetic drift.
C) The structure was over utilized by the organism.
D) The structure was not highly beneficial to the organism.
(I think it's D... but i have a few extra points so i thought i'd ask)

Me asap i need during photosynthesis, the following reaction takes place: carbon dioxide + water + light energy → sugar + oxygen during cellular respiration, the following reaction takes place: sugar + oxygen → carbon dioxide + water + chemical energy given this information, how are photosynthesis and cellular respiration related? question 2 options: a the products of photosynthesis are the reactants of cellular respiration. b photosynthesis and cellular respiration both start with the same materials. c photosynthesis and cellular respiration both produce the same materials. d the same type of energy is found in both photosynthesis and cellular respiration.