Podcast
Questions and Answers
Which group of tetrapods has an ectothermic metabolism and amniotic development?
Which group of tetrapods has an ectothermic metabolism and amniotic development?
Which class includes turtles, crocodilians, lizards, and snakes?
Which class includes turtles, crocodilians, lizards, and snakes?
What is the study of the traditional reptile orders called?
What is the study of the traditional reptile orders called?
According to modern cladistic taxonomy, which group is regarded as paraphyletic?
According to modern cladistic taxonomy, which group is regarded as paraphyletic?
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When did the earliest known proto-reptiles originate?
When did the earliest known proto-reptiles originate?
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Study Notes
Tetrapods and Metabolism
- Reptiles exhibit an ectothermic metabolism, relying on environmental heat sources for temperature regulation.
- Amniotic development in reptiles allows for reproduction away from water, thanks to adaptations such as the amniotic egg.
Class Reptilia
- The class Reptilia encompasses turtles, crocodilians, lizards, and snakes, representing a diverse range of terrestrial and semi-aquatic life forms.
Study of Traditional Reptile Orders
- The study of traditional reptile orders is known as herpetology, which focuses on reptiles and amphibians.
Paraphyletic Group in Taxonomy
- In modern cladistic taxonomy, reptiles are regarded as a paraphyletic group, as they exclude birds, which are descended from theropod dinosaurs.
Origin of Proto-Reptiles
- Earliest known proto-reptiles date back to the Carboniferous period, approximately 320 million years ago, marking the transition from amphibians to amniotes.
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Description
Test your knowledge of reptiles with this quiz that covers the diverse orders of living reptiles, including turtles, crocodiles, lizards, snakes, and the unique tuatara. Learn fascinating facts about these ectothermic tetrapods and explore the rich diversity of over 12,000 species listed in the Reptile Database.
