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How are background extinction and mass extinction similar?
Both involve at least a few species dying out because of failure to adapt to the changing environment.
How did the silurian time period end?
A mass extinction event/ice age marked the end of the Ordivician Period. The climate, location of landmasses, and number and diversity of species had changed dramatically since the beginning of the period. When the changes that were occurring during the mass extinction event leveled out, a new period began.
Is new zealand the largest contry in the pacific region?
No. There are many countries that would have larger land mass, such as parts of Indonesia, New Guinea etc. Australia is of course many times larger.
What is Canada's second largest chain of mass merchandise discount store?
Zellers
Where can you traverse the world largest exposed mass of granite?
It is in the Stone Mountain Park in Georgia. It is very large, about 583 acres and was created more than 300 million years ago by an underground volcanic eruption.
When did organisms suffer the largest mass extinction known?
The most devastating mass extinction occurred in the Late Permian (~250 million years ago).
When was the first mass extinction?
540 million years ago was the first mass extinction
When was the last mass extinction?
The Cretaceous–Tertiary extinction event 65 million years ago was the last mass-extinction, and many believe that humans are causing a mass-extinction right now.
What may have caused the first mass extinction 65 million years ago?
The leading theory for the first mass extinction 65 million years ago is a catastrophic event such as an asteroid impact. This event is believed to have led to environmental changes that caused the extinction of the dinosaurs and many other species.
What era ended in the largest mass extinction in earth's history?
Mesozoic
What era did organisms suffer largest mass extinction known?
Mesozoic era
If the Cretaceous mass extinction had not occurred which group of animals would today probably include the largest land animals?
If the Cretaceous mass extinction had not occurred, reptiles would today be the largest land animal in the world. At the time, reptiles were the largest animal group on Earth.
Why was the permian extinction called the great dying?
The Permian extinction is called the "Great Dying" because it was earth's largest mass extinction which wiped out as much as 95% of life.
What is the effect of mass extinction?
The effect of mass extinction is extinction, death of a mass
When did the three mass extiintion happen?
The three mass extinctions referred to are the Permian-Triassic extinction about 252 million years ago, the Triassic-Jurassic extinction about 201 million years ago, and the Cretaceous-Paleogene extinction about 66 million years ago.
When did the last mass extinction occur in years?
65 million years ago
When did the cretaceous mass extinction happen?
500 years ago
