40-70% it says on wikipedia
Extinction
The disappearance of a species from all parts of an environment is known as extinction. This occurs when the last existing member of a species dies, leading to its complete disappearance from the planet. Extinction can be caused by various factors, including habitat destruction, climate change, pollution, and hunting.
A species is considered endangered when it is at a very high risk of extinction in the near future. A species is considered threatened when it is likely to become endangered in the foreseeable future if threats continue.
Today, 52 percent of all insects are considered endangered. Depending on which scientific study you read, there are just over 700 species of insect that are in danger of extinction around the world.
A species is considered endangered, if it is considered to be facing a very high risk of extinction in the wild.
Climate change, people slaughtering too many of the species, lack of food, ect.
Currently, the rate of extinction is significantly higher than the rate of species formation on Earth. Human activities, such as habitat destruction, climate change, and pollution, have accelerated the extinction rate. This imbalance in the rates of extinction and species formation is leading to a loss of biodiversity at an alarming rate.
Species can change is there is a mass extinction or if the type of species changed the type of climate or terrain which would would make the species evolve to its new environment so that it can survive.
The process you are referring to is known as extinction, which occurs when there are no living members of a species left on Earth. Extinction can be caused by various factors such as habitat destruction, climate change, hunting, or natural disasters. Once a species becomes extinct, it is gone forever.
The era during which approximately 90 percent of life on Earth died out is known as the Permian-Triassic extinction event, which occurred around 252 million years ago. This event marks the boundary between the Permian and Triassic periods and is considered the most severe extinction event in Earth's history, leading to the loss of a vast number of species across various ecosystems. Factors contributing to this mass extinction likely included volcanic activity, climate change, and changes in ocean chemistry.
Extinction refers to the complete loss or disappearance of a species. It occurs when the last individual of a particular species dies, leading to the permanent elimination of that species from the Earth. Extinction can be caused by various factors, including habitat destruction, climate change, disease, and human activities.
I hypothesized that extinction occurs not only due to natural events but also significantly due to human activities, such as habitat destruction, pollution, and climate change. I believed that the loss of biodiversity could lead to destabilized ecosystems, affecting food chains and human livelihoods. Additionally, I considered that the extinction of species can be irreversible, emphasizing the importance of conservation efforts to protect endangered species and their habitats. Overall, I viewed extinction as a complex issue requiring urgent attention and action.