Notes

Homeostasis is defined as the maintenance of a constant internal environment within an organism. Internal environment means the immediate surroundings of the cells. In mammalian tissues the cells are generally surrounded by tiny channels and spaces filled with fluid. The most…

Nutrition is the process of acquiring energy and materials such as proteins, glucose, minerals, fats etc. The taking in and use of food and other nourishing material by the body. Living organisms can be grouped on the basis of their source…

Coordination is the working together of various organs of the body of an organism in a proper manner to produce an appropriate reaction to a stimulus. For example, the nervous system and endocrine system act in a coordinated manner for the proper…

COMPARATIVE STUDIES OF NATURAL GROUPS Viruses: -are simple structures with genetic material in the centre and surrounded by capsomere. Generalized section of a capsomere – processing virus. STRUCTURE They have very simple structure consisting of the following. CHARACTERISTICS. i) DNA viruses…

Classification is a fundamental biological process that involves organizing living organisms into distinct classes or categories based on shared characteristics and traits. This systematic approach not only helps scientists understand the vast diversity of life on Earth but also provides…