The species could not adapt quickly enough to their changing environment to survive.
climate change and asteroid impact
Us.
Extinctions!
Humans (Us). We are the cause of biological extinctions. We use natural resources exponentially. As mankind population increases the greater the chance of an increase percentage of a species extinction. All natural life is a cycle, once we disregard its benefits to us and overuse its properties we may find ourselves begging for just the basic mother nature has to offer us.
natural selection
False A+
the underlying cause is the main reason or motive for an action or event
An asteroid from space, and Gradualevents
Tylacine(or Tasmanian wolf), moa, steller's sea cow, and the Guam flying fox are some extict animals.
Human activities and natural disasters
The investigations of these Primarily tend to Determine their Cause [when physically possible].
ice age,Noahs flood in bible