sepal
(Science: botany) A member of the (usually green) outer whorl of non-fertile parts surrounding the fertile organs of a flower.
One of the green parts that form the calyx of a flower.A specialised structure that appears in plants, usually to protecting a new growing shoot, though its function can vary from species to species.
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..