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DAILY FREE MCQ CHALLENGE for Pre-Medical Entrance Preparation
Question
Amphibians were dominant during:
A. Carboniferous
B. Silurian
C. Ordovician
D. Cambrian
NOTEImportant Question from KERALA
See Answer Here
A. Carboniferous
See Explanation Here
Amphibians were dominant on the landscape during carboniferous period, and ever proliferating. The carboniferous period is often referred to as the age of amphibians. The climate was warm and steamy with little or no ice at the poles. There were extensive wetland environment, which allowed for amphibian niche diversification.
Adaptations of amphibians:
- Water-tight skin
- Internal fertilisation
- Direct-developing embryo
- water-tight egg
References
Central American Biodiversity: Conservation, Ecology, and a Sustainable Future, edited by Falk Huettmann, Page no: 276, 277.
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