preparation for the biology test tomorrow.

1. give the two characteristics of a species.
2. give the two reasons biologists use a classification system.
3. state the name of the science that deals with classification of living things.
4. tell why "common names" are not always good for scientific work.
5. name the two languages used for writing scientific names.
6. tell what aspect of an organism was utilized to assign scientific names during the "early days" of taxonomy.
7. name the Swedish botanist that developed the modern-day system of classification.
8. give the name of his system; tell why it is called by this name.
9. give the basic rules for writing scientific names.
10. name the lowest taxon that serves to group organisms.
11. give the name for a group or level of organization that serves as a taxonomic category; state its plural form.
12. tell how many taxa are used in Linnaeus’ system of classification; list them in order from most inclusive to least inclusive.

1. tell how DNA and RNA are used in taxonomy.
2. describe the importance of a molecular clock.
3. name the two original kingdoms used during the time of Linnaeus; tell why these were the only ones used.
4. name the kingdom that was formed to accommodate the "microorganisms with a nucleus".
5. name the kingdom that was formed to accommodate the mushrooms, yeasts, and molds.
6. name the kingdom that was formed to accommodate the bacteria.
7. name the two kingdoms that were later formed from the Kingdom Monera.
8. list the members of the current six-kingdom system of taxonomy.

1. show where the domain fits in with Linnaeus’ seven-level system of classification.
2. tell how many domains there are; name them and show how they fit-in with the kingdoms.
3. contrast a cell wall and a cell membrane.
4. name the substance found in the cell wall of a bacterium.
5. list some environments where members of the Domain Archaea can be found.
6. contrast autotrophs and heterotrophs.
7. contrast unicellular and multicellular organisms; tell what is meant by a colonial organism.

1. tell what is common among members of the Domain Eukarya.
2. tell what type organisms belong to the Kingdom Protista.
3. describe how fungi obtain their energy.
4. tell what it means to be a photosynthetic autotroph.
5. contrast motile and nonmotile.
6. name the material in the cell walls of plant cells that make them tough.

L.chenta