There are many reasons. Natural disasters, too many predators, or humans (either hunting, building stuff on habitat, etc.)
Z
false :)
Yes, extinctions have happened throughout history, they are happening today and will continue to happen in the future.
false
Sudden changes in environmental conditions.
There have been five mass extinctions in the past 4 billion years on Earth. These events resulted in the widespread loss of species and fundamentally reshaped the evolution of life on our planet.
When geologist refer to the Big Five they are referring to the five mass extinctions on Earth. Some of these extinctions are the Paleozoic and Mesozoic eras.
The five mass extinctions that occurred in Earth's history took place during the Ordovician period (about 445 million years ago), the Devonian period (about 375 million years ago), the Permian period (about 251 million years ago), the Triassic period (about 200 million years ago), and the Cretaceous period (about 66 million years ago).
Which mass extinction? There have been five such events. The first one, the Ordovician-Silurian extinction event occurred before the Devonian. The Late Devonian event occurred during the Devonian. All other mass extinctions occurred after the Devonian.
In the last 500 million years, there have been five major mass extinctions, often referred to as the "Big Five." These include the Late Ordovician, Late Devonian, Permian-Triassic, Late Triassic, and Cretaceous-Paleogene extinctions. Each event resulted in the significant loss of biodiversity and had profound impacts on Earth's ecosystems. Additionally, some scientists suggest that we may be in the midst of a sixth mass extinction driven by human activities.
It is important because the timing suggests a strong correlation between human arrival and the extinctions, indicating that human activities likely played a significant role in driving these extinctions. This can provide valuable insights into the impact of human presence on ecosystems and the importance of conservation efforts to prevent future extinctions.
When geologist refer to the Big Five they are referring to the five mass extinctions on Earth. Some of these extinctions are the Paleozoic and Mesozoic eras.
invertabates are the animals with the most extinctions