5. Marine Organisms

Marine Microbes — Quiz

Test your understanding of marine microbes with 5 practice questions.

Practice Questions

Question 1

Which group of marine microbes is primarily responsible for the remineralization of organic matter, returning inorganic nutrients to the water column?

Question 2

In the context of marine microbial food webs, what is the primary role of protists that consume bacteria?

Question 3

Which of the following best describes the role of archaea in marine environments, particularly in extreme conditions?

Question 4

The process by which marine microbes convert dissolved organic matter (DOM) back into biomass, making it available to higher trophic levels, is known as the:

Question 5

What is the primary role of marine bacteria in the global nitrogen cycle?