What are the taxonomy groups

In biological classification, taxonomic rank is the relative level of a group of organisms in a taxonomic hierarchy. Examples of taxonomic ranks are species, genus, family, order, class, phylum, kingdom, domain, etc.

Explanation:

Remember we are:

Phylum: Chordata

Species: Homo sapiens

Genus: Homo

Class: Mammalia

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate