1. The classification level in which classes with similar characteristics are grouped is called a(n) ______ .
2. When taxonomists give varying subjective degrees of importance to characters they are applying ________.
3. Reconstructing phylogenies by inferring relationships based on similarities derived from a common ancestor without considering the “strength” of a character is called________ .
4. The evolutionary history of a species is its ______________.
5. Orders with common properties are combined into a(n) _______________.
6. Similar families are combined into a(n)_______________ .
7. The classification level in which similar genera are grouped is called a(n)______
8. A similar feature that evolved through convergent evolution is called a(n) _______________.
9. In ________ organisms evolve similar features independently often because they live in similar habitats.
10. A(n) ________is a branching diagram used to show evolutionary relationships in groups of shared derived characters.
11. The most general level of classification is ________.
12. A(n) ____________ is a taxonomic category containing similar species.
13. Linnaeus developed a system for naming and classifying organisms which is called _________.
14. A(n)________________ is a group of interbreeding or potentially interbreeding natural populations that are reproductively isolated from other such groups.
15. Unique characteristics used in cladistics are called_________________.
16. The two-word system for naming organisms is called _______________
17. A(n)_______________ contains many phyla.
18. In evolutionary systematics, evolutionary relationships are displayed in a branching diagram called a ________________.
b. structural similarities.
_____1. In one of the earliest classification systems, Aristotle grouped plants and animals according to
d. two-word shorthand system also in Latin.
______ 2. Although Linnaeus used the Latin polynomial system in his books he created his own
______ 3. Scientists classify organisms by studying their forms and
______ 4. Cladograms determine evolutionary relationships between organisms
______ 5. All members of the kingdom Animalia are multicellular
______ 6. Biological species, as defined by Ernst Mayr, a. are closely related. b. are interbreeding natural populations. c. produce infertile offspring. d. produce infertile hybrids.
b. shared derived characters.
______ 7. The characteristics that scientists use in cladistics are
______ 8. Bird wings and insect wings are a. homologous traits. c. analogous traits. b. derived traits. d. phylogenetic traits.
______ 9. The biological species concept cannot be applied to a. species that can produce fertile hybrids. b. all bacteria. c. species that reproduce asexually. d. All of the above
b. include the genus and family.
______10. Scientific names
a. domain kingdom phylum class order family genus species
______11. Which of the following lists the eight classification levels in proper descending order?
b. the genus is to be capitalized.
______12. The scientific naming system requires all of the following EXCEPT that binomial nomenclature, 13. The naming system developed by Linnaeus is called ______________________
14. One genus can include several___________________
15. Ernst Mayr developed the concept that a(n)_______ is reproductively isolated from other groups.
16.When_______________ are incomplete closely related species can produce hybrids.
17. The biological species concept works best for most members of the king____________
18. Similar features in organisms that do not share a recent common ancestor are called_________ .
19. Scientists use evidence of ____________ characters to reconstruct evolutionary history.
20. The evolutionary history of a species is called its __________.
21. Explain the difference between homologous characters and analogous characters. Give an example of each.