Relevance. Cell is the basic unit of life. Division of labour is seen even within a single cell. Copyright © 2020 Multiply Media, LLC. (a) With the help of well-labelled diagrams, describe the process of plasmolysis in plants, giving appropriate examples. Easily understood Upon reflection of the difference between a unicellular and a multicellular organism, we discover an important lesson for organisation and co-operation in society by the division of labour. (b) Inspiratory capacity and Expiratory capacity All the cells are not similar. Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal. In contrast, this kind of division is found in multicellular living body. Answer Save. 3 Answers. The cell present on the surface is dead and impermeable to protect the internal cells from the harsh external environment. What is heterospory? Division of labour is differentiation of certain components or parts to perform different functions for increased efficiency and higher survival. Division of labor, in a unicellular organism, is at organelle level: On the other hand, a division of labor, in a multicellular organism, is at cellular, organ system level and organs. Easy language All these cells perform specific functions. Division of labour is a unique phenomenon which is found in an organism as well as in the different parts of the cell consisting the organism. Illustrate a glycosidic, peptide and a phospho-diester bond. All Rights Reserved. A unicellular … Unicellular organisms require more energy and materials for their survival than multicellular organisms. Write the floral formula of an actinomorphic bisexual, hypogynous flower with five united sepals, five free petals. Even in unicellular organisms division of labour is found where different functions are performed by different parts of the cell. A unicellular organism, or a cell, has only its own organelle, to depend upon, for carrying out all the life processes. How does the position of centromere form the basis of classification of chromosomes. Hence, a particular function is carried out by a group of cells at a definite place in the body. Why don't libraries smell like bookstores? How will understanding of attitudes and predisposition enhance teaching? Unicellular Organism. Is evaporated milk the same thing as condensed milk? Tissue : In unicellular organisms a single cell does all the functions. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. (a) IRV and ERV Usually, a lifespan is short. What are the characteristic features of Euglenoids? There is no chance of division of labour on the basis of cell. All the cells specialised for performing similar functions are grouped together as tissues in the body. All Rights Reserved. 10. As in higher organisms division of labour takes place among different organs, in unicellular organisms several cell organelles like mitochondria, ribosome etc perform different function. The division of labour in unicellular organisms is only limited to the organelle level, while in multicellular organisms it is specified to cellular, tissue and organ system level. Why? Give two examples. Give some examples of taxa at different hierarchical levels. A unicellular organism, or a cell, has only its own organelle, to depend upon, for carrying out all the life processes. division of labour means that in a multicellular organism work is divided in many cells but in a unicellular organism all the work is done by a single organism What is the contribution of candido bartolome to gymnastics? All elements that are present in a plant need not be essential to its survival. Describe briefly the four major groups of Protozoa. Division of labor may be at cellular, tissue, organ and organ system level. Similarly, different functions are carried out by different groups of cells in an organism and this is known as division of labour in multicellular organisms. Distinguish between Division of Labor. When did organ music become associated with baseball? Multicellular Organism. Favorite Answer. What will be the pO2 and pCO2 in the atmospheric air compared to those in the alveolar air? What is the difference between direct and indirect development? (c) Vital capacity and Total lung capacity, Very nice easily understood, but i think should more briefly explained, Very nice explanation