Here is a compilation of essays on ‘Reproductive Cycles in Vertebrates’ for class 9, 10, 11 and 12. Find paragraphs, long and short essays on ‘Reproductive Cycles in Vertebrates’ especially written for school and college students. Reproductive Cycles in Vertebrates Essay Contents: Essay on the Reproductive Cycles in Marine Fishes Essay on the Reproductive Cycles in Freshwater Fishes Essay on [...]
Some of the important theories concerning the activation of egg by sperm are as follows: 1. Bataillon's Theory 2. Sensitization to Calcium Theory 3. Loeb's Theory 4. Lillie's Theory 5. Repressor Theory of Activation. 1. Bataillon's Theory: Bataillon (1910, 11, 12 and 16) suggested that the exudation or the excretion of substances into the perivitelline space and elevation of the [...]
In this article we will discuss about the functions of male and female reproductive organs, explained with the help of suitable diagrams. Male Reproductive Organs: Sperms are produced in the testes. The testes are two oval bodies and are suspended in a sac hanging from the lower wall of the abdomen, the scrotum. Each testis is composed of coiled anastomosing [...]