In this essay we will discuss about the three main methods of cell division in animals. After reading this essay you will learn about:- 1. Mitosis 2. Meiosis 3. Amitosis. 1. Essay on Mitosis: In the year 1882 Walther Fleming gave the term mitosis to describe the division of cell. It is a complicated process of cell division, in which [...]
Here is an essay on the ‘Process of Fertilization in Animals’ for class 9, 10, 11 and 12. Process of Fertilization in Animals Essay Contents: Essay on the Encounter of Spermatozoa and Ova Essay on Capacitation and Contact Essay on Acrosome Reaction and Penetration Essay on the Activation of Ovum Essay on the Migration of Pronuclei and Amphimixis Essay # [...]
Two basic patterns of reproduction have been observed among animals and these are asexual and sexual. In asexual reproduction an individual can give rise to daughter individuals by mitotic divisions of a part of its own body; no gametes are required. In sexual reproduction, genetically distinct two special sex cell called gametes, fuse to form one cell structure the zygote [...]