Some of the main kinds of Immunity in Animals are as follows: Animal body is always exposed to various harmful invaders such as bacteria, viruses, fungi, toxins as well as parasites. Body has an inherent ability to resist all these invaders and toxins. This ability of the organisms to protect themselves against toxins etc. constitutes immunity. Immunology comprises all the [...]
This article provides information about the important phases in the development of animals: Gametogenesis, Fertilization, Cleavage or segmentation, Gastrulation, Organogenesis, Growth and Differentiation! The development of all organisms is a slow and continuous process in which changes from simple condition lead to more complicated and organized embryo. In general, development of animals includes the following phases. Gametogenesis: The prerequisite for [...]
Read this article to get information on Eggs and Oogenesis in Animal! Eggs: The egg in all animals is a larger cell in comparison to other type of cells. All contain reserve material of various kinds such as yolk, glycogen, nucleic acids (DNA, RNA, etc.) and various species of proteins. Eggs are produced as large as possible, compatible with the [...]
