Question

Name the life process of an organism that helps in the growth of its population.

Answer 1

The three main functions of an organism are respiration, reproduction, and excretion. Among these, reproduction is the process through which one organism produces their offspring to maintain their number on Earth.

Complete answer:
We should know about reproduction as reproduction is the life process of organisms that helps them to grow the population. The reproduction ensures the continuity of organism generation to generation. The reproduction is of two types; asexual reproduction and sexual reproduction. Asecual reproduction is a process of reproducing the offspring through simple division of cells, this type of reproduction is observed in single cell organisms, it does not undergo fusion of gametes therefore, and the offspring produced by asexual reproduction are genetically identical. The asexual reproduction is further divided into; binary fission, budding, fragmentation, and sporogenesis. Sexual reproduction is a process of reproduction of offspring through gamete fusion of male and female organisms. The gametes are either formed in different individuals or the same individual. This is a complex and slow process that produces genetically diverse organism’s multicellular organisms like humans undergoing sexual reproduction.

Now, plants are also multicellular organisms but they undergo both sexual and asexual mode of reproduction. The vegetative mode of reproduction is the asexual reproduction that is the formation of a complete plant from stem, tuber, corm, and stolon. The sexual reproduction in plants takes place through the pollination process. The pollen grains are the male gametes of a plant that when fall on the stigma results in the formation of pollen tube that reaches to the female gametes that is the ovary and fusion of gametes takes place and seed is formed.

Therefore, from the concept of reproduction it is clear that both the modes of reproduction show growth in the population of organisms.

Note: Sporogenesis is also observed in some of the plants like mosses, ferns, and horse tail. They undergo spore formation to execute the reproduction process. These are the early plants that comprise vascular tissue.