A special structure on certain cyanobacteria for nitrogen fixation is called a(n) :
A) ammonia cyst.
B) homocyst.
C) heterocyst.
D) nematocyst.
E) pneumatocyst.
Correct Answer:
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Q26: Nutrient recycling in the marine environment is
Q27: Anaerobic organisms live in _ areas.
A) nitrogen-free.
B)
Q28: Facultative anaerobic bacteria
A) do not tolerate oxygen.
B)
Q29: Heterotrophic bacteria are able to break down
Q30: Chemosynthetic bacteria are unique:
A) in not requiring
Q32: A bacteria sample is taken from the
Q33: Harmful algal bloom toxins are produced by:
A)
Q34: Which primary producer listed below is considered
Q35: Zooxanthellae are members of the following group
Q36: Nitrogen fixation and nitrification are directly important
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