Earth's environment 300 million years ago was vastly different.
Continents were united in the supercontinent Pangea.
High atmospheric oxygen levels were present, but the link to insect size is questioned.
Strategic angle: Research challenges the long-held belief linking insect size to atmospheric oxygen levels in ancient Earth.
Earth's environment 300 million years ago was vastly different.
Continents were united in the supercontinent Pangea.
High atmospheric oxygen levels were present, but the link to insect size is questioned.