0
What percent of species that existed on earth have gone extinct?
Wiki User
∙ 13y ago
It is estimated that 99% of all animals that have ever lived are now extinct.
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoThe percentage of extinct animals is 90.9%. Dinosaurs and reptiles had really died for natural resource reasons.
Wiki User
∙ 13y agoA very high percentage of living species on earth became extinct at the end of the Mesozoic Era, with the K-T event. Most often seen figures say about 70% of all species were wiped out .
Wiki User
∙ 10y ago99% of all species that have ever existed on Earth.
Wiki User
∙ 11y agoof all species about 99 percent of species have become extinct.
Hope this helped!
Wiki User
∙ 14y ago99%. Believe it or not.
Wiki User
∙ 13y ago99.9%
Wiki User
∙ 9y ago73
Wiki User
∙ 12y agonearly 75%
Add your answer:
Earn +20 pts
What percent of endangered species end up extinct?
It can be assumed that, eventually, 99.9% of endangered species will end up extinct. This is because, according to scientists, 99.9% of species that have ever existed on the Earth have become extinct.See the related link for more information.
What percent of species that have ever existed are now on earth today?
10 percent
What percent of all animals are extinct?
It is estimated that out of all species that have ever lived, almost 99.9% of all species have gone extinct. No species will ever live forever, they will go extinct one time or another no matter what.
What If all members of a species disappear from Earth the species is said to be?
The species is said to be extinct.
Many species became extinct before mankind started changing the earth?
False. Animals were made the same day as man!!!!! The above is true if you believe exclusively in creationism. Science says that all the species of animals that live on earth today make up less than one tenth of one percent (0.1%) of all the animals that have ever existed. So to answer your question: yes, many species became extinct before mankind altered the earth.
Which continent has the most extinct species?
Seeing that the earth has an estimated less than 1% of animals that have ever existed currently living on it, it is an extremely hard question to answer.
How do you save extinct species on our planet earth?
You can't. If a species is extinct, that means that no organism in that species is alive. It is gone forever.
Ratio of extinct species to living species on Earth is about?
1,000:1
Approximately what percentage of the species that have ever existed are on earth today?
0.1%
Dietary needs human companionship requirements compatibility with children lifespan length of time species has existed on earth?
Length of time species has existed on earth
A species that once lived on earth but is no longer found alive is called?
Extinct is when an animal or plant doesn't exist any longer on earth.
How many sapient species have existed on earth?
One.
