Any chemical reaction involving energy. But do photosynthesis and cellular respiration involve chemical reactions? How can you know?

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

This is the main structural axis of the plant that supports leaves, flowers and fruits; transports fluids; stores nutrients and produces new tissue.

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height