The musk ox has a large body size and small appendages. how do these characteristics enable it to survive in the tundra?

The musk ox has a large body size and small appendages. Its body is full of fur and looks large. The appendages of the animal is quite small as compared to that of the body.

The smaller the surface area, the lesser is the heat loss.The relative surface area of the body is high as compared to that if the legs.

This retains heat for a longer period of time and helps the animals to stay in tundra.

the missing space is phylum

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%