Answer :
The study of microorganisms is called microbiology.
The correct answer to the question is option D which is mushroom.
What is anaerobic respiration?
- Anaerobic respiration is respiration using electron acceptors other than molecular oxygen.
- Although oxygen is not the final electron acceptor, the process still uses a respiratory electron transport chain.
According to the question, the fungi are saprotrophic species and an increased level of CO2 will help them to grow.
Hence, the correct answer is option D.
For more information about anaerobic respiration, refer to the link:-
https://brainly.com/question/14688752