Final answer:
In Biology, the Rocky Mountain bighorn sheep falls under the species category of Bovids. Similarly, llamas, not originating from the Old World, contrast with bovids like sheep and cattle that do.
Step-by-step explanation:
In the study of Biology, the Rocky Mountain bighorn sheep is exemplified by the species Bovids (b). Bovids are a family of hoofed mammals that include sheep, goats, cattle, and antelopes. They are characterized by having permanent horns covered with a sheath of keratin, which distinguishes them from antlers, and they are native to various regions worldwide, including North America.
As for the question provided for reference, the answer is that llamas did not originate in the Old World of Europe, Africa, or Asia. Llamas are native to South America, and they are part of the camel family, which also includes camels that originate from the Old World.
It’s also interesting to note that species such as salmon were an important source of protein for the people of the Pacific Northwest. This showcases the integral role that certain species have played in regional ecosystems and human societies.