In this article we will discuss about the two subclasses of class bryopsida. The subclasses are: 1. Subclass Sphagnidae 2. Subclass Andreaeidae. Subclass # 1. Sphagnidae Genus Sphagnum: Sphagnidae comprise of a single order Sphagnales of a single family Sphagnaceae with a single and very distinct genus Sphagnum. They differ from the other mosses in showing a broad, thallose protonema [...]
In this article we will discuss about the process of osmosis in plants. It is usually seen, that when two liquids of different densities are separated from each other by placing a membrane between them, by which the water of the liquid of lower density flows towards the liquid of higher density, then such separating membrane is called the semipermeable [...]
The plants absorb water and soluble mineral salts from the soil by their root system. This function of absorption is facilitated by the unicellular root hairs present on the roots. These unicellular root hairs enter in the interspaces of the soil particles, irregularly. These root hairs absorb the water found in the form of thin films around these soil particles. [...]