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75 percent of plants, animals and microbes.

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Q: What percentage of the then existing species went extinct as a result of the KT boundary event?
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What is the comparison between existing species and extinct ones?

Existing species can be seen in the wild or in captivity. You can't say the same for extinct species. An extinct species has no living members.


What percentage of wolf species are extinct?

85 percent of wolf species are extinct.


How long are species extinct for?

The word 'extinct' means that something (usually an animal) is not longer existing or living.Thus, species are extinct forever.


What percentage of a ll the species that ever existed are now extinct?

More than 99 percent.


When no living member of a species exist the species?

when there are no living members of a species the species is said to be "extinct".


What percent of species that existed on earth have gone extinct?

It is estimated that 99% of all animals that have ever lived are now extinct.


What percentage of the original bird species of Hawaii has become extinct since humans arrived on the islands?

90%


When no living member in your species exist the species?

when there are no living members of a species the species is said to be "extinct".


Why are they extinct?

There was an asteroid impact in the Yucatan Peninsula, about 65 million years ago, which caused global catastrophe for the existing species of the time.


What are the extinct species in the maldives?

extinct species of Maldives


The death of all the organisms of a species?

Extinct (Extinction)


What is a antonym for extinct?

The four best antonyms for "extinct" are "alive," "existing," "extant," and "living." As a writer, my favorite of these is "extant" because it sounds similar.