The sun is the primary source of energy for living things mostly organisms like plants and ecosystems. But if you're talking about the bonds inside organic molecules, which are carbohydrates. With this, the energy from the sun gets trapped within a chemical bond and still relates to photosynthesis in plants.
The sperms and ovi has half the number of chromosomes of the somal cells, so they have 8.
D)Oxygen diffuses from alveolar sacs to blood in capillaries
