Multiple choice Which of the following is an example of psychrophilic bacteria? Cyanidium caldarium Escherichia coli Chlamydomonas nivalis Listeria monocytogenes Methanocaldococcus jannaschii Reveal answer Fill a bubble to check yourself C Correct answer Explanation Yes, it is correct. Chlamydomonas nivalis is psychrophile (grows at 0°C and has an optimum growth temperature of 15°C or lower).