How to distinguish between root and stem after secondary growth?plant anatomy

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants. d- food molecules are broken down in the cells if living things.

What is the goal of cellular respiration