Difference Between Internal and External Fertilization
The difference between internal and external fertilization in points is listed below:
Criteria |
External Fertilization |
Internal Fertilization |
---|---|---|
Occurence |
External fertilization occurs outside the female body |
Internal fertilization occurs inside the female body |
Process of sperm transfer |
Sperms are released into the environment and they fertilize the egg. |
Sperms are released inside the female reproductive tract. |
Vulnerability of offspring |
Offsprings are highly vulnerable to exteral threats. |
Offsprings are less vulnerable as they develop inside the mothers womb. |
Examples of organisms |
Fishes, amphibans, etc. |
Humans, dog, cat, etc. |
External Fertilization – An Overview
External fertilization occurs in fish, frogs, and certain invertebrates like sponges. External fertilization is the process of reproduction where the fusion of the male gamete and female gamete takes place outside the body in an external environment. This type of reproduction has various benefits as it has great biodiversity and the chances of survival are also higher. In this article, we will study the process of external fertilisation, examples, features and more.
Table of Content
- What is External Fertilization?
- Characteristics of External Fertilization
- External Fertilization Examples
- External Fertilization Process
- Advantages of External Fertilization
- Disadvantages of External Fertilization
- External Fertilization in Humans
- External Fertilization in Plants
- External Fertilization in Fish
- Difference Between Internal and External Fertilization