Mathematics, 20.02.2021 21:30 deedee363
Colin the Conservationist has been investigating the IUCN Red Data list of species.
Between 66 and 67 thousand species have been assessed and placed on the list.
Your task is to work out the number of species in each of 7 categories.
There are 78 species which are “extinct in the wild”.
11 times that many have gone “extinct” since 1500AD.
Respectively 6 and 9 times as many species as have gone
“extinct” are on the “critically endangered” and “endangered” lists.
24,570 species are listed as threatened, which means they are
“vulnerable”, “endangered” or “critically endangered”.
The number of “near threatened”
species is 468 more than a third of
the number which are “vulnerable”.
The good news is that there are
7,098 more species on the “least
concern” list than in all the other
categories combined.
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Colin the Conservationist has been investigating the IUCN Red Data list of species.
Between 66 and...
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