Question

the purpose of this pretest is to assess your mastery of the standards covered in this module. you will be able to take this pretest only one time. i exhibit mastery at a level of 60% or higher, you will be permitted to proceed to the next module without further review of this content.
if, however, you score below 60%, you will need to proceed through the items in this module to prepare for the module exam.
question 15
what group of archaebacteria live on the surfaces of swamps, marshy lands, and intestines of cows?
halophiles
thermoacidophiles
pyrogens
methanogens

Explanation:

• Halophiles live in high - salt environments (e.g., salt lakes).
• Thermoacidophiles thrive in hot, acidic places (e.g., hot springs).
• Pyrogens are substances that cause fever, not a type of archaebacteria in this context.
• Methanogens produce methane and are found in anaerobic environments like swamps, marshy lands, and cow intestines.

Answer:

D. Methanogens