Question

1. which type of archaea lives in the intestines of cows? thermophiles acidophiles halophiles methanogens

Explanation:

Methanogens are a type of Archaea that produce methane as a metabolic by - product. Cows have methanogens in their intestines which help in the digestion of cellulose. Thermophiles thrive in high - temperature environments, acidophiles in acidic conditions, and halophiles in high - salt environments, none of which are characteristic of the cow intestine environment for this function.

Answer:

methanogens