A main contribution of cyanobacteria to desert crust is ____________.
A) producing starch
B) water storage
C) unburying the soil when winds blow sand over it
D) fixing atmospheric carbon
E) fixing nitrogen

Question

A main contribution of cyanobacteria to desert crust is ____________.  
A) producing starch
B) water storage
C) unburying the soil when winds blow sand over it
D) fixing atmospheric carbon
E) fixing nitrogen

Quizplus · Accepted Answer

Cyanobacteria are known for their ability to fix atmospheric nitrogen, which is a crucial nutrient for plant growth. In desert crusts, cyanobacteria contribute to the nitrogen cycle by fixing nitrogen and making it available for other organisms in the ecosystem.

A Main Contribution of Cyanobacteria to Desert Crust Is ____________