A Moment of Science
Paleontologists in South Africa recently discovered the first complete skeleton of a pre-dinosaur creature called Gorgonopsid, or "Gorgon" for short.
You probably already know that humans are warm-blooded, while creatures like snakes are cold-blooded. Scientists prefer the terms endothermic and ectothermic. Snakes are ectothermic–they’re dependent on their environment for heat.
Playing dead doesn't seem like much of a strategy, but it works for the opossum, commonly known as the possum.
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