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.
Seed Plant Structure. The cells of seed plants are organized into tissues and organs. The three main plant organs are. roots, stems, and leaves. Roots. absorb water and dissolve nutrients and anchor plants in the ground. Stems. support the plant body and transport materials throughout the plant. Leaves. are the main organs of photosynthesis. They also function in gas exchange.