01:119:115 Study Guide - Fall 2018, Comprehensive Midterm Notes -
12 Oct 2018
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01:119:115
MIDTERM EXAM
STUDY GUIDE
Fall 2018
Species
I.
A. Base Unit
B. Taxonomy - giving names
1. 2 part name
2. genus & specific epithet
a. Latin
b. italics
Uppercase
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Abbreviate
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Unique
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c. genus
Lowercase
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Not unique
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d. specific epithet
3. rules
C. Binomial nomenclature (Linnaeus)
Classification
II.
A. evolutionary relationships can be understood
B. species is basic unit of classification
C. phylogeny - history of species
D. systematics - process of classifying
E. hierarchal classification
Phylogenetic Trees
III.
1. shows patterns of descent
2. not phenotypic similarities
A. Branching diagrams
B. Hypothesis
C. Dichotomies
Classification
Lecture 1: Classification Review/Virology
Tuesday, January 20, 2015
10:26 PM
Bio II Page 1
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C. Dichotomies
Divergence from common ancestor (CA)
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1. nodes - branch points
Groups of organisms that share a common ancestor (CA)
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2. sister taxa
Has 1 branch point that represents the most recent common ancestor of all taxa on tree
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3. rooted tree
Diverged early in history of group
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4. basal taxon
Multibranch
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5. polytomy
Species that are alive, current
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Fig. 26.4
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Fig. 26.5
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6. extant species
Shared ancestry
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7. homologous
Similar as a result of convergent evolution
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8. analogous
D. Components
Evolution
IV.
A. Accumulation of genetic change over time
Variation
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Mechanism by which evolution occurs
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Acts on individuals but population is what evolves
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B. Natural selection
Biological diversity
V.
Tree of life
VI.
1. bacteria (prokaryotes)
A. 3 domains
Bio II Page 2
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find more resources at oneclass.com
