__ are an modification to parenchyma that helps in storing air
In plants that are submerged in water contain special type of parenchyma cells that stores air in them. These cells, called as aerenchyma, help the plant stay afloat
In aquatic plants, large air cavities are present in parenchyma to give buoyancy to the plants to help them float. Such a parenchyma type is called __________ .
Organising facilitates modification in an organisation structure and revision of inter-relationships among people in order to adapt to environmental changes. This helps the organisation :