Fission Budding Occurrence. Fission occurs only in unicellular organisms. Budding occurs both in unicellular and multicellular organisms. Division. Parent divides into two to many daughters. A parent does not divide but gives one or more outgrowths to form new individuals. Identity, Identity of parent is lost during the formation of new individuals. The parent retains … Read more
Unicellular Organisms Multicellular Organisms Reproductive Cell. The same cell which functions as the body of the organism also gets transformed into reproductive cell. Specific cells take part in reproduction. Technique. Techniques of reproduction are simple. Techniques of reproduction are commonly complex Asexual Reproduction. It generally occurs through fission. It occurs by several methods like. fragmentation, … Read more
Difference between Binary Fission and Multiple Fission Binary Fission Multiple Fission Products. It gives rise to two individuals. It forms several (more than two) individuals. Conditions. Binary fission occurs under favourable conditions. Multiple fission occurs under favourable and unfavourable conditions. Nucleus. Nucleus of the parent cell divides only once to form two daughters. Nucleus of … Read more
Menarche Menopause Menstruation. It is the first menstruation in the life of a girl. It is the end of menstruation in the life of a woman. Age. It occurs at the age of 11-13 years. Menopause occurs at the age of 45-50 years. Reproductive Cycle. It is the begining of reproductive life. It is the … Read more
Pollination Fertilization Definition. It is transfer of pollen grains from anther to the stigma of a flower. It is the fusion of male and female gametes. Step. Pollination precedes fertilization. Fertilization occurs only after pollination when the pollen grain has germinated and sent the male gametes to ovule. Purpose. It carries the male gamete producing … Read more