Endangered Species Making a Comeback

Extinction rates

Black-footed ferret

Prairie dogs

<p>They dug up the soil and made fields less productive</p> Signup and view all the answers

<p>Their populations fell catastrophically</p> Signup and view all the answers

<p>Extinction rates refer to the rate at which species become extinct. Humans have a significant influence on extinction rates and are believed to cause them to be a thousand times higher compared to if humans were not present.</p> Signup and view all the answers

<p>Black-footed ferrets rely on prairie dogs as their main food source, with prairie dogs making up about 90% of their diet.</p> Signup and view all the answers

<p>The extermination of prairie dogs by American farmers resulted in a scarcity of food for black-footed ferrets, leading to a significant decrease in their population.</p> Signup and view all the answers

<p>Conservation and research efforts have been instrumental in bringing back the black-footed ferret population from the brink of extinction.</p> Signup and view all the answers

<p>The year 1998 marks a significant point in the conservation efforts for black-footed ferrets, but the sentence is incomplete and the answer cannot be determined from the given text.</p> Signup and view all the answers