The ecosystem is derived from the Greek word ‘Oikos’ which means home and ‘systema’ means system i.e a limited space in which living beings interact or collaborate with each other and environmental factors like water, temperature, humidity, etc., and dependencies on these factors to survive. An ecosystem can be of various types depending on its …
Heredity The Biological process that transfers the characteristics and traits from one generation to other (i.e. from parents to their children) is termed heredity. It is responsible for variation among the offspring and thus the evolution of a species over a period of time. Genes are the functional units of heredity that transfer character from …
What is Asexual Reproduction? Asexual reproduction is a type of reproduction where an organism can produce offspring without the involvement of a mate or another organism. In asexual reproduction, the offspring are genetically identical to the parent, as there is no exchange of genetic material between individuals. Asexual reproduction is normally seen in unicellular organisms. …
Nervous System The formation of the nervous system relies on the body plan of a life form, for example, creatures that don’t have a characterized head or tail, have web-like plans of nerve cells all through the body. Animals have a complex sensory system. It gets and deciphers the signs from the environmental factors, and …
Nutrition Supplements are the substances that give energy and biomolecules important to completing the different body capabilities. All living creatures need supplements for working and development. In any case, they show differences in the way they satisfy this interest. A few creatures feed on straightforward inorganic mixtures to meet their supplement necessity, while others use …
What is Energy? The capacity to do work or the overall power generated from our natural resources is referred to as energy. Energy comes in a variety of ways and can be transformed from one to another. Energy in usable form is dissipated as a less usable form into the environment. Conventional Sources of Energy: …
Magnetic Field Definition According to the definition of the magnetic field, it is the region around a magnet or current-carrying conductor around which the force of magnetism can be observed. It is a vector quantity and is generated by moving charges. Magnetic forces and Electric forces are part of one of the four fundamental forces …
Chapter 4: Magnetic Effects of Electric Current Notes Read More »
What is Electric Current? The flow of electric charges is known as electric current. In earlier times, it was considered that correct flow was due to the movement of positive charges from the positive terminal to the negative terminal. But after the discovery of electrons, the conventional wisdom was proven wrong as the positive charge …
Human Eye The human eye is the most significant organ of our body and enables us to see various objects and allow us to gather various information about all the objects around us. We see the world around us through our eyes. The light from various objects reaches our eyes and then our eyes transfer …
Chapter 2: The human eye and the colourful world Notes Read More »
What is Reflection of Light? The phenomenon, known as “reflection” or “reflection of light,” occurs when a light beam strikes any polished, smooth, or bright object and bounces back to our eyes. This phenomenon gives us a basis on which to view the environment. Light propagates in a straight line before, after, and during reflection. For …