Growth and Development: Growth is defined as an irreversible increase in the size and form of an individual. Growth is a characteristic feature of all living organisms. You have seen small seedlings grow into big plants and small babies growing into adults. However, growth always occurs in such a manner that the particular characters of a species are always maintained in all the individuals. In multicellular organisms, growth occurs due to an increase in the number of cells or increase in the size of the cells or due to deposition of certain materials like fat in between the cells. Growth … Continue reading Growth and Development