Changes

==59:5. THE CRUSTAL-SHIFTING STAGE-THE FERN-FOREST CARBONIFEROUS PERIOD-THE AGE OF FROGS==

==59:5. THE CRUSTAL-SHIFTING STAGE-THE FERN-FOREST CARBONIFEROUS PERIOD-THE AGE OF FROGS==

59:5.1 The appearance of fish during the preceding period marks the apex of marine-life evolution. From this point onward the evolution of land life becomes increasingly important. And this period opens with the stage almost ideally set for the appearance of the first land animals.

59:5.1 The [[appearance]] of [http://en.wikipedia.org/wiki/Fish fish] during the preceding period marks the [[apex]] of [[marine]]-life [[evolution]]. From this point onward the [[evolution]] of [[land]] life becomes increasingly important. And this period opens with the [[stage]] almost ideally set for the [[appearance]] of the first [[land]] animals.

59:5.2 220,000,000 years ago many of the continental land areas, including most of North America, were above water. The land was overrun by luxurious vegetation; this was indeed the age of ferns. Carbon dioxide was still present in the atmosphere but in lessening degree.

59:5.2 220,000,000 years ago many of the continental land areas, including most of North America, were above water. The land was overrun by luxurious vegetation; this was indeed the age of ferns. Carbon dioxide was still present in the atmosphere but in lessening degree.