What describes the physical expression of genes like having brown hair or having the ability to roll your tongue?
A: allele B: phenotype C: genotype

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .

linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.