Which describes the scientists who contributed to our current body of knowledge? a. american women
b. men and women throughout time
c. Europeans in the 1800s
d. wealthy men of the last century

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

idk what happened..you tell

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.