saber-toothed cats
Ferns were not introduced but evolved during late Paleozoic Era .
No, dinosaurs first appeared in the Mesozoic era, specifically during the Triassic period. The Paleozoic era preceded the Mesozoic era and was home to a different group of animals, including early fish, amphibians, and reptiles.
During the Paleozoic Era, the first land plants, insects, fish, amphibians, and reptiles evolved. This era also saw the evolution of early mammals and the diversification of life in the oceans. The end of the Paleozoic Era was marked by a mass extinction event that wiped out many species, paving the way for the rise of new organisms in the following eras.
No. The 1st vertebrates appeared in the fossil record about 525 million years ago during the Cambrian Period. This was in the Paleozoic Era.
The formation of Gondwana and Laurasia occurred during the Paleozoic era, specifically during the late Precambrian and early Paleozoic periods. Gondwana and Laurasia eventually merged to form the supercontinent Pangaea during the late Paleozoic era.
Dinosaurs
Reptiles first appeared during the Paleozoic Era, specifically the Carboniferous System of the Paleozoic Era. That was about 320 million years ago.
Vertebrates first appeared during the Paleozoic era.
Fish, reptiles, and amphibians, originated in that order during the Paleozoic era.
During the Paleozoic Era, Africa was part of the supercontinent called Gondwana. Gondwana was located in the Southern Hemisphere and covered present-day continents such as Africa, South America, Antarctica, Australia, and the Indian subcontinent. Africa was situated towards the center of Gondwana during this time.
No: Cenozoic. (Tertiary).
Yes. If no animals survived from the Paleozoic into the mesozoic, then there would be no animals today.