Which of the following statements is FALSE regarding microbi

Which of the following statements is FALSE regarding microbial mats?

Question 3 options:

they contain oxygenic photosynthetic bacteria

they only contain bacteria

sunlight does not reach microbial mat levels inhabited chiefly by chemoautotrophs

they contain anoxygenic photosynthetic bacteria

Solution

Second statement is wrong about Microbial mats because it can make by bacteria, fungi, archaeabacteria and protozoans. They grow mostly on moist surface and can survive in different temperature zones (-40⁰C to 120⁰C).