Cactus. Cacti have their leaves reduced to sharp spines to prevent water loss. They also have a thick,waxy outer layer for the same reason. These adaptations allow them to live in arid areas. Photographed at the University of California at Berkeley Botanical Gardens,USA | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Post, George |
Bildgröße: | 3441 px × 5205 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |