domains are the highest level of classification in the evol

______ domains are the highest level of classification in the evolutionary tree of life on Earth. Over half of these domains are characterized by _________ cells and less than half ________ cells.

Solution

Three domains are the highest level of classification in the evolutionary tree of life on Earth. Over half of these domains are characterized by prokaryotic cells and less than half eukaryotic cells.

Three domain concept:

1. Bacteria - Prokaryote

2. Archaea - Prokaryote

3. Eukaryota - Eukaryote