Nobody really knows how dinosaurs got extinct.
The sea mink became extinct because is was hunted to extinction for it's fur.
Mass extinction is when many animals go extinct within a short period of time caused by the same variables/factors leading to the mass extinction.
None. Sad loss but no appreciable change in the environment beyond that which caused the extinction.
The Permian-Triassic mass extinction, aka "the Great Dying", the single most devastating mass extinction known.
The Permian-Triassic mass extinction, aka "the Great Dying", the single most devastating mass extinction known.
It is generally accepted that animals from the prehistoric time became extinct to a massive shift in climate. Scientists believe that a meteor struck the earth and the aftermath caused the extinction of many plants and animals.
No the formation of the moon could not have caused the Paleozoic Era to go extinct.
The snow leopard is not extinct, it is on the list of endangered species, but not extinct.
Overfishing
Most tree frog extinction and endangerment is due to chytridiomycosis which is a disease caused by chytrid fungus.
The expansion of the human race into the snakes' natural habitat ! A scenario that has been repeated many times over thousands of years - resulting in the extinction of entire species (not just reptiles) !
The first life on earth was unicellular organisms. These organisms reproduced asexually, meaning that they reproduced by copying themselves. Because they did not interbreed, a slight mutation in the DNA caused a new species to exist. If one of the mutant cells failed to divide, that was a species becoming extinct. Humans cannot even begin to fathom the number of these species there must have been or when they started to become extinct. Extinction is a natural process and cannot be stopped; when we talk about being concerned about extinction we generally mean extinctions caused by modifications made to the environment by humans.