}. That won't compile. You can only use override when the method is virtual in the base class. And once it's virtual in the base class it's virtual in the n-th child too. So you don't have to re-specify virtual when you override a method.
Various vascular tissues in the root allow for transportation of water and nutrients to the rest of theplant.Plant cells have a cell wall to provide support, a large vacuole for storage of minerals, food, andchloroplasts where photosynthesis takes place.
Structure of a leaf (cross-section) Photosynthesis takes place in the mesophyll. The palisade layer contains most of the chloroplast and principal region in which photosynthesis is carried out. The airy spongy layer is the region of storage and gas exchange. The stomata regulate carbon dioxide and water balance.