Stratum basale Definition. It refers to the basal or the deepest of the five layers of the epidermis. It is also known by the names âgermative layerâ or âbasal layer.â Sometimes, it is also referred to as stratum germinativum.t refers to the basal or the deepest of the five layers of the epidermis. It is also known by the names âgermative layerâ or âbasal layer.â Sometimes, it is also referred to as stratum germinativum.
How I got my answer was I remembered I am studying that in my Science class right now, so I looked it up in my Science book and there it was the answer... 2 Raw Materials for Respiration are Sugar and Oxygen.
Oxygen and glucose are the products.    The raw materials are carbon dioxide (CO2) and water (H2O);  the process of photosynthesis is a complex series of  chemical reactions resulting in the production of glucose  and oxygen (O2).