GENERAL MICROBIOLOGY - T.P. Pyrog - 2004

21. MICROORGANISMS AND THE ENVIRONMENT

Review Questions for Chapter 21

1. What role do microorganisms play in the global biogeochemical cycles of carbon, nitrogen, phosphorus, and sulfur?

2. Define The concepts of "ecosystem", "biocenosis", "environment", and "ecological niche".

3. Which microorganisms are referred to as autochthonous and which as allochthonous?

4. What are the KEY FEATURES OF symbiotic and antagonistic relationships between organisms?

5 What types of Symbiosis exist?

6. What is syntrophy?

7. What are the forms of antagonism?

8. What is the difference between predation and parasitism?

9. Describe the MAIN STAGES OF microbial evolution.

10. How did the evolution of PROKARYOTES AND EUKARYOTES take place?



Last update: 12/08/2026

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