Tag Archives | Amphibians

Metamorphosis of Amphibians| Phylum Chordata

In this article we will discuss about Metamorphosis of Amphibians:- 1. Meaning of Metamorphosis 2. Types of Amphibian Metamorphosis 3. Structure 4. Hormonal Control. Meaning of Metamorphosis: Metamorphosis may be defined as "a rapid differentiation of adult characters after a rela­tively prolonged period of slow or arrested differentiation in a larva".   According to Duellman and Trueb (1986) Metamorphosis can be [...]

By |2016-07-22T08:09:31+00:00July 22, 2016|Amphibians|Comments Off on Metamorphosis of Amphibians| Phylum Chordata

Amphibians: Structure, Respiration and Sense Organs

In this article we will discuss about Amphibians:- 1. Origin of Amphibia 2. Factors that Caused Amphibian Evolution 3. Probable Ancestry 4. Structure of Amphibians 5. Digestive System of Amphibians 6. Respiratory System and Sound Production 7. Circulatory System 8. Nervous System 9. Urinogenital System 10. Reproduction and Development 11. 11. Reasons for Extinction. Contents: Origin of Amphibia Factors that [...]

By |2016-07-22T08:09:30+00:00July 22, 2016|Amphibians|Comments Off on Amphibians: Structure, Respiration and Sense Organs

Neoteny: History, Factors and Significance | Amphibians

In this article we will discuss about Neoteny:- 1. History of Neoteny 2. Types of Neoteny 3. Factors 4. Genetics 5. Significance. Contents: History of Neoteny Types of Neoteny Factors for Neoteny Genetics of Neoteny Significance of Neoteny 1. History of Neoteny: Since many years the size difference of the adult and larval phase of spotted salamander was noted. The [...]

By |2016-07-22T08:09:30+00:00July 22, 2016|Amphibians|Comments Off on Neoteny: History, Factors and Significance | Amphibians
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