10 Questions
What is a major factor contributing to the loss of tuatara populations in New Zealand?
Introduction of nonnative species like dogs, cats, and rats
Which feature of tuataras' skull is unique and serves a role in regulating daily and seasonal rhythms?
Well-developed median parietal eye
Modern crocodilians differ little from the primitive crocodilians of the early Mesozoic, remaining unchanged for how many years?
200 million years
Which of the following statements about crocodilians is true?
Crocodilians are closely related to birds.
What is the primary geographic region where alligators and caimans are found?
New World
How do tuataras differ from other reptiles like crocodilians in terms of reproduction?
Tuataras lay eggs on land.
Which characteristic makes tuataras particularly vulnerable to threats like predation?
Slow growth rate and low reproductive rates
'Third eye' found in tuataras plays a role in:
Regulating daily and seasonal rhythms
What is a major threat to crocodilians that has led them to face an uncertain future?
Human activities impacting their populations
What is distinctive about the skull of tuataras compared to other reptiles?
A well-developed median parietal eye
Test your knowledge about crocodilians and gharials, including their physical characteristics, distribution, and dentition. Learn about the unique features of these reptiles and their evolutionary connections to early birds and archosaurs.
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