The correct term is fission.
Explanation:
The oldest fossil evidence of seed plants is of Late Devonian age, and they appear to have evolved out of an earlier group known as the progymnosperms. These early seed plants ranged from trees to small, rambling shrubs; like most early progymnosperms, they were woody plants with fern-like foliage.
wait which one like all of it or what?
Answer: They would die off.
Explanation:
simple .too many people would have to much of the resource used and then there would be no more resourses to use and the population would die off
Competition and predation