According to linnaean taxonomy, the most specific category and level shared by humans, gorillas, and howler monkeys is

According to Linnaean taxonomy, the most specific category and level shared by humans, gorillas, and howler monkeys is - Suborder Anthropoidea

Taxonomy is the system of classifying and naming organisms that was invented by Carolus Linnaeus. He also created a hierarchical system of classification of nature which includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.