You will also like...
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..