Archive | Amphibians

Difference between Arteries, Veins and Capillaries | Amphibians

The upcoming discussion will update you about the difference between arteries, veins and capillaries. Difference # Arteries: 1. Tunica adventitia: Moderately deve­loped 2. Tunica media: Thick and well-developed. 3. Tunica interna: Elastic fibres are pre­sent. 4. Elasticity: Highly elastic. 5. Lumen: Proportionately sma­ller in diameter. Difference # Veins: 1. Tunica adventitia: Thicker 2. Tunica media: Thinner 3. Tunica interna: Elastic [...]

By |2016-07-22T08:09:32+00:00July 22, 2016|Amphibians|Comments Off on Difference between Arteries, Veins and Capillaries | Amphibians
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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
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Toad: Habitat, Structure and Life-History | Amphibians

In this article we will discuss about Toad:- 1. Introduction to Toad 2. Habit and Habitat of Toad 3. External Structures 4. Locomotion 5. Skeletal Structures 6. Coelom 7. Sense Organs 8. Vocalization 9. Life History 10. Enemy. Contents: Introduction to Toad Habit and Habitat of Toad External Structures of Toad Locomotion in Toad Skeletal Structures of Toad Coelom in [...]

By |2016-07-22T08:09:31+00:00July 22, 2016|Amphibians|Comments Off on Toad: Habitat, Structure and Life-History | Amphibians
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