Apopulation of lizards lived in a ecosystem that was prone to flooding after many generations most of the lizards in the population had longer legs than their ancestors which them flee from floods

answer: after carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed. respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.

explanation:

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.