Most marine fishes broadcast spawn and the parents spend no time feeding and protecting the offspring. On the other hand, whales give birth to well developed calves and will feed and protect the calves for long periods of time. What do you think is the best strategy? Has this strategy paid off in the great whales?

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

i think the answer would d

"a.) well–developed vascular system."

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.