Acid Rain played a part in Earth’s biggest extinction
The Permian was a geologic period that ended some 250 million years ago, with the largest extinction our planet has ...
The Permian was a geologic period that ended some 250 million years ago, with the largest extinction our planet has ...
Some 252 million years ago, 96 percent of marine species and 70 percent of life on land became extinct following ...
The Permian extinction was the biggest extinction ever, killing 96% of all marine species and 70% of terrestrial vertebrates Possible ...
A new species of "sea monster" was unearther in Nevada - a predator so fierce that it often hunted prey ...
Some 250 million years ago, life on Earth passed through its toughest time so far, as 96% of all marine ...