Question

Why do animals of cooler region are able to produce wool

Answer 1

Animals in cooler region, specially sheep able to produce wool because they are blessed with the same for protection from cold weather and humans sheer them for their own use, In summers the animals shed their hairs naturally.  As per one data many sheep die because of pre mature sheering.  Approximately 90 percent of the world's sheep produce wool. One sheep produces anywhere from 2 to 30 pounds of wool annually.  Thanks

Answer 2

We know that different places have different environments, which is tolerable by different kinds of organism.

Like desert is for camel, while ice is for penguins, etc.

As these animals have $\textbf{adapted}$ the climate with the passage of time, they have thick fat, which hair on body which we call wool.