
The fossil of an animal that lived in a mud in the Cambrian period
Giovanni Mussini
About 500 million years ago animals who lived in the air regularly suffered in the air in the mud. The discovery suggests that some first animals were able to survive outside the water, if only for a limited time, some animals were constantly living on the ground.
“They had to have mechanisms to deal with stressors in this environment,” he says Giovanni Mussini at University of Cambridge. “There was already genetic …
