Guide To Learn
Introduction Cell division is the process of multiplication of the cells followed by cell differentiation and cell growth. The group of cells are collectively called tissues and the abnormal growth of tissue in an organism is known as a tumour. The tumours usually develop due to some disturbances in the cell growth and formation of […]
Reproduction is the reason for life’s continued existence on the face of Earth. Every organism needs to be able to reproduce so that it can classify as a living being. Even viruses, whose living nature has been debated for decades, can reproduce in the host’s body. The molecular basis of life, i.e., the DNA, needs […]
Survival of an organism greatly depends on the ability of that organism to adjust to the changes in its environment. Acclimatization and adaptation are two ways by which an organism survives in the changing environment. Acclimatization takes place in a short period of time and causes temporary changes in the body which ensures survival. On […]
Human beings are complex organisms and they have various nutritional needs in order to maintain proper functioning of the body. To meet this need, they consume food. However, the food consumed by them cannot be directly assimilated into the cells. Prior to assimilation, these complex food molecules should be broken down into simpler substances by […]