The following points highlight the top six characteristics of amphibians. The characteristics are: 1. External Features 2. Internal Features 3. Fertilization 4. Development 5. Chromosome Number 6. Physiological Adaptive Features. Characteristic # 1. External Features: a. The amphibians are ectothermic vertebrates. b. Skin is naked, moist and highly glandular. c. Dermal scales are present in […]
Top 6 Characteristics of Amphibians | Phylum Chordata
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Parental Care Provided by Amphibians | Phylum Chordata
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In this article we will discuss about the parental care provided by amphibians. Introduction to Parental Care: The amphibians were the pioneers amongst the vertebrates to invade land. On coming to this new environment they had to face many hostile forces and they had to develop various ways and means to overcome the obstacles. Naturally […]
Reptiles: Origin, History and Classification
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In this article we will discuss about Reptiles:- 1. Definition and Origin of Reptiles 2. History of Reptiles 3. Characteristic Features 4. Classification. Definition and Origin of Reptiles: Reptiles may be defined as “cold-blooded vertebrates, breathe by lungs throughout their existence, and having the body covered with scales or scutes. A basioccipital bone is present […]
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