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Structure
Interesting Questions, Facts and Information
- There are a total of 20 general entries.
Special Topics
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Interesting Questions, Facts, and Information
Paleontology
Egg . Eggs existed long before chickens.
Terrible Cat. Dinofelis was a saber-toothed cat named for its frightful appearance.
Therapsids were warm blooded reptiles that lived during the Permian and Triassic periods. They are the ancestors of mammals, but which type of therapsid are mammals directly descended from? | Basic Paleontology Quiz
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Cynodont. Cynodont means 'dog tooth' and they are the direct ancestors of mammals. Theriodonts were giant predators and dicynodonts were bulky herbivores, both of which went extinct by the end of the Triassic. Pelycosaurs are not therapsids, but are their ectothermic ancestors.
What feature of reptiles make them inherently superior to amphibians as terrestrial animals? | Basic Paleontology Quiz
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Amniotic Egg. Reptiles are superior to amphibians as land animals in numerous ways, but the primary feature that made them so was the waterproof amniotic egg. These shelled eggs made them independent of aquatic reproduction.
In most respects the extinct marsupial thylacine of Tasmania closely resembles mamalian carnivores elswhere, but they are not closely related. This is an example of what kind of evolution? | Basic Paleontology Quiz
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Ammonites, cephalopod mollusks that used to abound in the oceans until the great Cretaceous extinction, are most closely related to which living mollusk? | Basic Paleontology Quiz
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Nautilus. Nautilus and ammonites are both nautiloids. Although ammonites are extinct, nautilus is still very similar to its extinct relatives.
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