Wild Chronicles heads to North America, where bison are on the verge of genetic extinction. Most remaining bison herds have been genetically enhanced with cattle genes, and there may be only one healthy, purebred herd left in the world. But conservationists from World Wildlife Fund have a plan to save the last of the purebreds and bring the greatest symbol of the West back to the plains.
Early European explorers describe the landscape as "blackened" with herds of bison. How many bison roamed the plains in the early 1800s?
What is the current bison population?
There may be only one purebred herd of bison remaining. In what U.S. state is this herd located?
Conservationists hope to start a new purebred herd in what U.S. state?
When was the last time bison roamed free on the prairie?
Term Part of Speech Definition Encyclopedic Entry bison Noun
large mammal native to North America. Also called American buffalo.
cows and oxen.
person who works to preserve natural habitats.
process of complete disappearance of a species from Earth.
part of DNA that is the basic unit of heredity.
having to do with genes, inherited characteristics or heredity.
group of animals.
flat, smooth area at a low elevation.
Encyclopedic Entry: plain symbol Noun
something used to represent something else.