Carboniferous of Europe ... of a giant horsetail -- calamites (the one growing at an odd angle). The winged insect climbing a horsetail (equisetum) is a primitive cockroach Manoblatta sp.

Another idea is that insect wings developed from appendages used to glide between trees in the Carboniferous forests. Amphibians were also growing in size and diversity. There were predatory ...

The insect modifies the plant's growth chemically ... period of time is sure to continue revealing secrets of the early Carboniferous in future studies.

a higher concentration of oxygen in the air will push more oxygen into the deepest reaches of the insect’s trachea, which ...