Answer:
FALSE
Explanation:
Even though they were indeed abundant, we cannot say Gymnosperms were the only abundant form of plant life in the Mesozoic Era. As a matter of fact, if we were to choose a dominating form of plant during this Era, it would have the be the Conifers. However, throughout the Mesozoic Era, diversity of plants and animals increased. It was later during this Era that flowering plants evolved.
