Essay sample library > The Permo-Triassic Mass-extinction and the Earth´s Triassic Period

The Permo-Triassic Mass-extinction and the Earth´s Triassic Period

2023-11-28 08:33:58

The mass extinction of the Permits-Triassic is an important event in the Earth's history. (Paleontology and Biodiversity Research Group). This is also informally called death. The extinction of the Permian - Triassic arose occurred 251.4 million years ago and formed the boundary of the geological era of the Permian and Triassic. This case was also the last period of the Paleozoic era. Even after years, scientists have not yet found the real reason behind such terrible events. There are scientists who proposed many possible cause of extinction, such as intense volcanic activity, near supernovae, environmental change caused by supercontinent formation, and large devastating destructive influence.

During the past 550 million years the Earth experienced five mass extinctions; the Ordovician, Devonian, Permanent, Triassic and Cretaceous last times are now the sixth. The most serious annihilation of these species occurred about 225 million years ago and shows the geological boundary (P - Tr boundary) between the Permian and the Triassic. Extinction of the large species of the Permanent occurs in 1 to 3 pulses and deprives almost all life on Earth. The high temperature during the Permian has rapidly diversified the living things. The occurrence of terrestrial plant life provides important food sources for many terrestrial animals and diversifies the land. One such plant is the extinct genus (Glossopteris), which has a tongue-shaped leaf. Since insects are closely related to plant formation, increased life span of plants contributes to an increase in the life span of insects.

About 248 million years ago, the Permits-Triassic was extinct. This is the known maximum extinction. About 95% of plants and about 60% of plants die. This includes many marine animals (such as trilobites). The cause of the extinction of the Permian is possibly due to global cooling during the formation of Pangea, volcanic eruption, or a decrease in continental shelf area. This devastating extinction has paved the way for the rise of dinosaurs and mammals

In this video clip from Evolution: "Extinction!", The geologist Peter Ward shows the rock formations of the Permian and Triassic. While the Triassic is rich in fossil and fossil animal traces, the Triassic has little fossil, it happens that mass extinction took place 250 million years ago before the end of the twentieth century I suggest that. One of the most dramatic and mysterious events in life history, about 250 million years ago, the so-called "death" of animals and plants, continues to attract and confuse scientists. Among the extinctions of about five large species recorded by Earth's fossils, this time the end of the Triassic and the beginning of the Triassic were the most devastating.