2. Cell type (prokaryotic or eukaryotic) Source of energy Number of cells in their body

3. A domain is the highest level of taxonomic classification The three domains are Bacteria, Archaea, and Eukarya Bacteria and Archaea are also names of kingdoms The domain Eukarya contains the other 4 kingdoms of Protista, Fungi, Plantae and Animalia

4. Classification often skips the domain and starts with the kingdoms shown below: Archaea (also called archaebacteria) Bacteria (also called Monera or Eubacteria) Protista Fungi Plantae Animalia The 6 Kingdoms

5. Dichotomy---to divide in two A dichotomous key is commonly used by scientists to classify living organisms. At each step there are two alternatives offered, and the choice of one of those alternatives determines the next step.

7. Viruses are composed of a core of nucleic acid The Nucleic acid core is surrounded by a protein coat called a capsid The Nucleic core is either made up of DNA or RNA but never both

8. Viruses are not living! The kingdoms only include living organisms. All living things Take in nutrients and release waste Have the ability to reproduce Grow Transform matter into energy Respond to stimuli