Growth is a fundamental characteristic of living organisms. Development refers to an increase in complexity due to differentiation of tissues and organs (improvement in the functions of the body) OR Growth – is defined as an irreversible increase in dry mass of living material.
TRANSPORTATION OF MATERIALS IN LIVING ORGANISM Transportation is the act or process of moving molecules, ions, or substrates across a biological membrane, such as the plasma membrane. Plants have two transport systems – xylem and phloem . Xylem transports water and minerals.
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
BIOCHEMISTRY ORGANIC CONSTITUENT OF THE CELLS. Bio chemistry: is the study of structures, properties and functions of chemical constituents of the cells. -It is a great unifying theme in biology. It finds applications in fields like; ELEMENTS FOUND IN LIVING ORGANISMS
THE CONCEPT OF CYTOLOGY Cytology is the study of cellular structure, functioning, types, behavior, and framework and adaptations. The study of biological cells is known as cytology. Because all living entities are made up of the basic life-forming unit known
What is Agriculture? Agriculture refers to a fundamental human activity, which involves cultivation of crops (arable farming) and domestication of animals (Livestock husbandry). It is categorized as primary industry since it involves the production of raw material that can be
Translation is a process by which ideas that are written in one language ar...
Are the abilities that allow you to write effectively and concisely. A competent...
Reading is the process of going through written information or piece of wor...
What is Speaking? SPEAKING SKILLS: Speaking is simply the act of talking wh...
Listening is ability to accurately receive and interpret messages in the communi...
This is the field or branch of morphology which studies different principles or ...
Language is a symbol system based on pure or arbitrary conventions…...
Ecology is the study of the interactions between living things, such as humans, ...
EVOLUTION Evolution is a change in the genetic composition of a population...
Genetics is the study of heredity and variationHeredity- is the passage of chara...