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.
B. Depth creates the overall weight and more something is to be measured
Answer:
There were mutations that led to some longer necks and some shorter necks, as the trees became taller, the short necks died out due to starvation, leaving behind only the longer necked giraffes. Survival of the fittest.