Answer:
A
Explanation:
A is adaptations, not natural selection
Auxin, The substance responsible for cell elongation is auxin. This phytohormone is formed in cells at the tip of the shoot and is then passed from cell to cell.
B Solar energy is available where ever the sun is
I would say overproduction. Not sure though. Hope this helps!
Answer:
A cell is basically made of biological molecules (proteins, lipids, carbohydrates and nucleic acids). These biomolecules are all made from Carbon, hydrogen and oxygen. Proteins and nucleic acids have Nitrogen.
Explanation: