How does the zygosporangium of rhizopus stolonifer function to ensure the survival of the species

It's a quiescent spore which has a thickened wall and can survive to hostile environment and dryness

The correct answer is "b"

Well,what i learned was that unlike many other  endothermic  reactions,  photosynthesis  does not absorb energy as heat. instead, during plants absorb energy from sunlight to turn carbon dioxide and water into oxygen and glucose, which is a type of sugar molecule. the energy is stored in the glucose molecules, ready to be used when needed.