External fertilizationis a common and widespread reproductive strategy inaquatic environments(Giese and Kanatani 1987) and is generally thought to be ancestral to internal modes of reproduction (Jägersten 1972;Parker 1984;Wray 1995; but seeRouse and Fitzhugh 1994). Therefore, estimates of male and...
Internal Fertilization Internal fertilization occurs most often in land-based animals, although some aquatic animals also use this method. There are three ways that offspring are produced following internal fertilization. Inoviparity, fertilized eggs are laid outside the female’s body and develop there...
Amphibians live part of their lives in the water and part on the land, but almost all frogs and most other amphibians use external fertilization in aquatic environments to breed. Whether a pond or the well of a leaf, the female and male meet on a breeding ground, where the female deposits...
Step-by-Step Text Solution:1. Definition of Fertilization: - Fertilization is the process where male and female gametes (sperm and egg) fuse to form a zygote.2. Types of Fertilization
External fertilization is one of the forms of fertilization and refers to the discharge of eggs and sperm into an external environment where the fusion of egg with sperm occurs outside of the organisms. The fertilized eggs are laid outside the female body...
In external fertilization, such as in frogs and fish, a large number of offspring are produced, but they are highly vulnerable to predators, which threatens their survival until they reach adulthood. 3. Third Statement: - The third statement claims that "both birds and reptiles show external ...