All terrestrial ammonia-oxidizing bacteria are ?-proteobacteria, including Nitrosomonas and Nitrosospira in the Nitrosomonadaceae family.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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This photograph shows a leaf-cutter ant carrying a leaf back to its underground garden, where the leaf will be digested by the fungi that live there. Why does the leaf-cutter ant do this?


a. Feeding leaves to the fungi prevent them from digesting the ant’s young.
b. The fungi emit pheromones that repel the ant’s natural predators.
c. Leaf-cutter ant eats the fungi that grow on these leaves in its garden.
d. The fungi have infected the ant’s nervous system to control it like a puppet.

Biology & Microbiology

Egg-laying mammals

a. hatch fully developed young from their eggs. b. are monotremes. c. are hairless. d. are confined to South America. e. bear their young into permanent pouches.

Biology & Microbiology

The motile feeding stage of a protozoan is called

a. an apicomplexan. b. a gametocyte. c. a cyst. d. a trophozoite.

Biology & Microbiology

In aquatic ecosystems, CO2 reacts with water to form ____

a. HCO b. HNO3 c. CaCO3 d. CO e. H2CO3

Biology & Microbiology