Posts by lijat
How could a vertebrate animal evolve for extended flight before evolving land adaptations? Is that even possible at all? By extended flight, I mean breathing air and spending most of their time in...
Suppose we have an alternate earth where there in addition to the real species on earth are large hexapod creatures similar to mammals and reptiles. Where on the evolutionary tree is it most likel...
How could the amount (total mass) of oxygen be increased on a planet like Earth (with a similar atmospheric composition), preferably by natural processes? For the sake of having a ballpark number...
In a world like ours in the 1980s, but which for whatever reason does not use any form of electricity. (Either it does not exist or batteries and generators etc have not been invented.) For purpos...
