What is the source code of transcription

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

The third stage of cellular respiration is (2 points)

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis