Use them as a guide for studying the course material covered to date. Answer all 10 example questions by circling the letter of the appropriate statements. There will be 20 questions of this type on the Term Test. Most protozoans are heterotrophs oxidizing inorganic compounds. All fungi are obligate heterotrophs.
Some algae are chemoheterotrophs.
C to 100 o C range. There are many more extreme thermophiles among the archaebacteria than in any other microbial group. Thermobionts are organisms that tolerate low temperatures. The normal pH range for microorganisms is from 4 to 8. Bacillus alcalophilus prefers pH above 7 for growth.