| key concept 21.1 All of Life Is Connected through Its Evolutionary History
| life11e_ch21_2.html | 57a9eade757a2ecb03000000 |
| Phylogenetic trees are the basis of comparative biology
| life11e_ch21_3.html | 57a9eade757a2ecb03000000 |
| Derived traits provide evidence of evolutionary relationships
| life11e_ch21_4.html | 57a9eade757a2ecb03000000 |
| key concept 21.2 Phylogeny Can Be Reconstructed from Traits of Organisms
| life11e_ch21_6.html | 57a9eade757a2ecb03000000 |
| Parsimony provides the simplest explanation for phylogenetic data
| life11e_ch21_7.html | 57a9eade757a2ecb03000000 |
| Phylogenies are reconstructed from many sources of data
| life11e_ch21_8.html | 57a9eade757a2ecb03000000 |
| Mathematical models expand the power of phylogenetic reconstruction
| life11e_ch21_9.html | 57a9eade757a2ecb03000000 |
| The accuracy of phylogenetic methods can be tested
| life11e_ch21_10.html | 57a9eade757a2ecb03000000 |
| key concept 21.3 Phylogeny Makes Biology Comparative and Predictive
| life11e_ch21_12.html | 57a9eade757a2ecb03000000 |
| Phylogenetic trees can be used to reconstruct past events
| life11e_ch21_13.html | 57a9eade757a2ecb03000000 |
| Phylogenies allow us to compare and contrast living organisms
| life11e_ch21_14.html | 57a9eade757a2ecb03000000 |
| Phylogenies can reveal convergent evolution
| life11e_ch21_15.html | 57a9eade757a2ecb03000000 |
| Ancestral states can be reconstructed
| life11e_ch21_16.html | 57a9eade757a2ecb03000000 |
| Molecular clocks help date evolutionary events
| life11e_ch21_17.html | 57a9eade757a2ecb03000000 |
| key concept 21.4 Phylogeny Is the Basis of Biological Classification
| life11e_ch21_19.html | 57a9eade757a2ecb03000000 |
| Evolutionary history is the basis for modern biological classification
| life11e_ch21_20.html | 57a9eade757a2ecb03000000 |
| Several codes of biological nomenclature govern the use of scientific names
| life11e_ch21_21.html | 57a9eade757a2ecb03000000 |
| Apply What Youâve Learned
| life11e_ch21_25.html | 57a9eade757a2ecb03000000 |