How do moose use a learned behavior to protect themselves

They roll in a pool of muddy water to avoid fly bites

Explanation:

Moose is the largest species of deer and inhabits the northern regions of Europe (Scandinavia), Siberia, Canada, and a large subspecies - the great moose - inhabits Alaska.

The moose is one of the first domesticated domestic animals. It was domesticated a long time ago - it is believed that it was about 4-5 thousand years ago, maybe even earlier.

answer; polycythemia is the correct answer;

the missing space is phylum