Classifying Turtles: A Challenge
The green turtle and the red-eared slider both belong to the family Emydidae. However, the green turtle is a sea turtle and primarily aquatic, whereas the red-eared slider is semi-aquatic and inhabits freshwaters. Can you justify their classification under the same family using morphological and genetic characters?
1 Answer
📌 CONCEPT: Classification of turtles into the same family, Emydidae, is justified based on their shared morphological and genetic characters, despite their different habitats and adaptations.
📐 RULE / FORMULA: The classification of organisms is based on their evolutionary relationships and shared characteristics, which can be identified through morphological and genetic analysis.
💡 WORKED EXAMPLE: The green turtle and the red-eared slider can be classified under the same family, Emydidae, due to their shared characteristics such as scutes (scales) on their shells, webbed feet, and similar skull morphology. Additionally, their genetic analysis shows a high degree of similarity in their DNA sequences, indicating a recent common ancestor.
⚠️ COMMON MISTAKE: Students may mistakenly classify the green turtle and the red-eared slider into different families based on their different habitats and adaptations, overlooking their shared morphological and genetic characters.
18 Jul 26
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