Question

1. what are \extremophiles\?

a) bacteria that cause extreme food poisoning
b) archaea that grow in extreme environments like high heat or acid
c) fungi that grow extremely fast on bread
d) viruses that infect an extreme number of people globally

Explanation:

Extremophiles are organisms (often archaea, sometimes bacteria or other microbes) that thrive in extreme environmental conditions like high temperature, acidity, salinity, etc. Option a is incorrect as extremophiles aren't defined by causing food poisoning. Option c is wrong because extremophiles aren't about fast growth on bread. Option d is incorrect as extremophiles are not viruses infecting many people. Option b correctly describes extremophiles (archaea in extreme environments).

Answer:

b) Archaea that grow in extreme environments like high heat or acid