Which level of taxonomic organization is broadest?

The broadest group is Domain or SuperKingdom.

This group, which consists of Eukarya, includes the organisms that most people are most familiar with: all animals, plants, fungi, and protists.

They also include the vast majority of the organisms that paleontologists work with.

Although they show unbelievable diversity in form, they share fundamental characteristics of cellular organization, biochemistry, and molecular Biology.

kingdom is the highest/most inclusive taxonomic category in the 7 group system

Kingdom.......Kids

Phylum ..........Prefer

Class............Candy

Order............Over

Family..........Fine

Genus ..........Green

Species.........Salads

Sub-Species

A Mnemonic device to remember it.