Aplant cell has both a cell membrane and a cell wall. how are they different and what is the purpose of both?

Look at the picture below . what does this picture represent ?

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination

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.