In the stem of monocot there exist three tissue systems —dermal, vascular and ground tissues, which consist of epidermis, vascular bundles and all tissues except the former two respectively. A brief account of the arrangement and structure is given below. Epidermis: Epidermis is more or less like dicots. In contrast to dicot stem, the epidermis is usually devoid of glandular [...]
In this article we will discuss about the economic importance of lichens. 1. Certain species of lichens are valuable sources of food. Most important of these are the fruticose lichen Cladonia rangiferina (Reindeer Moss) and other tundra lichens which serve as food for reindeer, caribou, musk ox and other wild animals of the Arctic tundra zone. A few species have [...]
The upcoming discussion will update you about the differences between lichens and fungi. Difference # Lichens: 1. They flourish the most in the temperate and colder regions of the globe. 2. Grow freely exposed to air and light and dislike smoky atmosphere of towns. 3. Can grow on barren substratum under drought and starvation conditions. 4. Grow generally as epiphytes [...]