Chapter 17 Test: Classification

5. Morphological characters are considered these type of traits.
7. The domain the American black bear belongs to.
10. BEFORE Darwin presented his theory of evolution, most scientists believed that all species were separate and ____________.
12. Binomial __________ is based on the two taxa, genus and species
13. These type of relationships are used in modern biological classification systems.
14. This procedure is used to analyze evolutionary relationships.
18. The first word in the phrase of a system by which each species is given a two-part name.
21. The kingdom that includes organisms that are unicellular, autotrophic, and that have a membrane-bound nucleus.
22. The number of kingdoms of living things.
23. The taxon of related phyla or divisions.
24. The first name in binomial nomenclature.

1. This kingdom does NOT classify autotrophic organisms.
2. This is NOT currently officially recognized as a living thing.
3. The system that takes into account an organism's evolutionary history.
4. The first group of organisms that branch of in a cladogram.
6. Organisms without __________ is classified in Kingdom of Archaea.
8. The species name for the African elephant, Loxodonta africana.
9. The type of character found within an entire line of descent of a group of organisms in a cladogram.
11. If organisms are close together on a cladogram, they most likely share many __________ characteristics.
15. The correct way to write a scientific name is to capitalize the genus and then do this to the genus and species name.
16. An oak tree is classified in this...
17. The number of kingdoms scientists use to classify Earth's organisms.
19. A cluster of organisms distinct from other clusters that shows evidence of a pattern of ancestry and descent.
20. The discipline of biology concerned with identifying, naming, and classifying organisms.