Definition of collegium in the Definitions.net dictionary. Meaning of collegium. What does collegium mean? Information and translations of collegium in the most comprehensive dictionary definitions resource on the web.
Oxygen is also released through the stomata. Water is obtained by the plant through the roots and delivered to the leaves through vascular plant tissue systems. Sunlight is absorbed by chlorophyll, a green pigment located in plant cell structures called chloroplasts. Chloroplasts are the sites of photosynthesis.
Photosynthesis takes place in the leaves of plants. The leaves are made ââup of very small cells. Inside these cells are tiny structures called chloroplasts. Each chloroplast contains a green chemical called chlorophyll which gives leaves their green color. 1  Chlorophyll absorbs the sunâs energy. 2  It is this energy that is used to split water molecules into hydrogen and oxygen.