Read this essay to learn about:- 1. Origin and Distribution of Parenchyma Tissue 2. Cell Structure 3. Functions. Essay # 1. Origin and Distribution of Parenchyma Tissue: The parenchyma of cortex and the pith, of the mesophyll of leaves, and of the floral parts originate from the ground meristem and protoderm. The primary and secondary xylem and phloem parenchyma are [...]
Read this essay to learn about:- 1. Origin and Distribution of Collenchyma Tissue 2. Cell Structure 3. Functions. Essay # 1. Origin and Distribution of Collenchyma Tissue: Ontogenetically, collenchyma cells develop from certain elongated cells resembling procambium which are formed in the very early stages of differentiation of the meristem. Sometimes less specialised collenchyma originates from the ground meristem. Some [...]
In this essay we will discuss about the basic and applied aspects of studying fossil plants. Essay # 1. Basic Aspect of Studying Fossil Plants: Such studies help us to understand the past vegetation, climate and palaeoecology including the history of plant evolution, biostratigraphy, etc. Some of the important basic aspects of such application are: (a) To Decipher Palaeovegetation and [...]