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Maximum parsimony

Ap Biology Ch 25

Subject: 
Biology
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Phylogenetics
Biology
Science
Genetics
Maximum parsimony
Cladistics
Phylogenetic tree
Systematics
Clade
Molecular evolution
Molecular phylogenetics
cladogram
#AP Bio #CampbellBiology

Chapter 25 Phylogeny and Systematics Overview: Investigating the Tree of Life This chapter describes how biologists trace phylogeny The evolutionary history of a species or group of related species Biologists draw on the fossil record Which provides information about ancient organisms Figure 25.1 Biologists also use systematics As an analytical approach to understanding the diversity and relationships of organisms, both present-day and extinct Currently, systematists use Morphological, biochemical, and molecular comparisons to infer evolutionary relationships Figure 25.2 Concept 25.1: Phylogenies are based on common ancestries inferred from fossil, morphological, and molecular evidence The Fossil Record Sedimentary rocks Are the richest source of fossils
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