| D D D D D | letter |
| Darwin, Charles | chapter 22 | bio 114 | heading |
| Darwinian Fitness | chapter 23 | bio 114 | heading |
| Darwinism as the foundation of biology | chapter 22 | bio 114 | heading |
| Darwinism encompasses two ideas, one explaining the other | chapter 22 | bio 114 | heading |
| Darwinism, evidence of | chapter 22 | bio 114 | heading |
| Darwinism, logic of | chapter 22 | bio 114 | heading |
| Darwinism's historical context | chapter 22 | bio 114 | heading |
| Dating fossils | chapter 25 | bio 114 | heading |
| Dating, absolute | chapter 25 | bio 114 | heading |
| Dating, relative | chapter 25 | bio 114 | heading |
| Death rate | chapter 52 | bio 114 | heading |
| Decomposers | chapter 54 | bio 114 | heading |
| Defense against predation | chapter 53 | bio 114 | heading |
| Defenses, mechanical | chapter 53 | bio 114 | heading |
| Deficiencies, nutritional | chapter 53 | bio 114 | heading |
| Degradation, mRNA | chapter 19 | bio 113 | heading |
| Degradation, protein | chapter 19 | bio 113 | heading |
| Dehydration reaction | chapter 5 | bio 113 | heading |
| Dehydration synthesis | chapter 5 | bio 113 | heading |
| Dehydrogenase | chapter 9 | bio 113 | heading |
| Deletion | chapter 15 | bio 113 | heading |
| Deletion | chapter 17 | bio 113 | heading |
| Demographics | chapter 52 | bio 114 | heading |
| Denaturation | chapter 5 | bio 113 | heading |
| Denitrification | chapter 54 | bio 114 | heading |
| Density, population | chapter 52 | bio 114 | heading |
| Density-dependent factors | chapter 52 | bio 114 | heading |
| Density-independent factors | chapter 52 | bio 114 | heading |
| Deoxyribonucleic acid | chapter 5 | bio 113 | heading |
| Descent with modification | chapter 22 | bio 114 | heading |
| Descent with Modification: A Darwinian View of Life | chapter 22 | bio 114 | chapter title |
| Determinants, cytoplasmic | chapter 21 | bio 113 | heading |
| Determination | chapter 21 | bio 113 | heading |
| Deuterostome versus protostome | chapter 32 | bio 114 | heading |
| Development | chapter 21 | bio 113 | heading |
| Deviation from expected ratios | chapter 15 | bio 113 | heading |
| Diatoms | chapter 28 | bio 114 | heading |
| Differentiation | chapter 21 | bio 113 | heading |
| Differentiation, cell | chapter 21 | bio 113 | heading |
| Diffusion | chapter 8 | bio 113 | heading |
| Diffusion, facilitated | chapter 8 | bio 113 | heading |
| Digesting cellulose | chapter 5 | bio 113 | heading |
| Dihybrid cross | chapter 14 | bio 113 | heading |
| Dikaryon | chapter 31 | bio 114 | heading |
| Dinoflagellata | chapter 28 | bio 114 | heading |
| Dinoflagellates | chapter 28 | bio 114 | heading |
| Diphosphate, adenosine | chapter 6 | bio 113 | term |
| Diploidy | chapter 13 | bio 113 | heading |
| Diploidy | chapter 14 | bio 113 | heading |
| Diplopoda, class | chapter 33 | bio 114 | heading |
| Direct-contact communication | chapter 11 | bio 113 | term |
| Directional selection | chapter 23 | bio 114 | heading |
| Disaccharide | chapter 5 | bio 113 | heading |
| Disease and prophage | chapter 18 | bio 113 | heading |
| Disease and provirus | chapter 18 | bio 113 | heading |
| Disease, microbial | chapter 27 | bio 114 | heading |
| Disequilibrium, chemical | chapter 6 | bio 113 | heading |
| Disequilibrium, harnessing energy to move toward chemical | chapter 6 | bio 113 | heading |
| Dispersion, patterns of | chapter 52 | bio 114 | heading |
| Displacement, character | chapter 53 | bio 114 | heading |
| Disruptive selection | chapter 23 | bio 114 | heading |
| Disulfide bridges | chapter 5 | bio 113 | heading |
| Diversifying selection | chapter 23 | bio 114 | heading |
| Diversity, morphological, prokaryotic | chapter 27 | bio 114 | heading |
| Diversity, species and predation | chapter 53 | bio 114 | heading |
| Division Anthophyta | chapter 30 | bio 114 | heading |
| Division Ascomycota | chapter 31 | bio 114 | heading |
| Division Basidiomycota | chapter 31 | bio 114 | heading |
| Division Bryophyta | chapter 29 | bio 114 | heading |
| Division Coniferophyta | chapter 30 | bio 114 | heading |
| Division Pterophyta | chapter 29 | bio 114 | heading |
| Division Zygomycota | chapter 31 | bio 114 | heading |
| Division, cell | chapter 12 | bio 113 | heading |
| Division, cell | chapter 21 | bio 113 | heading |
| Division, cell, control of | chapter 12 | bio 113 | heading |
| Divisions, fungi | chapter 31 | bio 114 | heading |
| Divisions, plant | chapter 29 | bio 114 | heading |
| DNA | chapter 5 | bio 113 | heading |
| DNA cloning | chapter 20 | bio 113 | term |
| DNA ligase | chapter 16 | bio 113 | heading |
| DNA ligase | chapter 20 | bio 113 | heading |
| DNA polarity (5' to 3') | chapter 16 | bio 113 | heading |
| DNA polymerase | chapter 16 | bio 113 | heading |
| DNA replication, semiconservative | chapter 16 | bio 113 | heading |
| DNA sequencing | chapter 20 | bio 113 | heading |
| DNA synthesis: (5' to 3') | chapter 16 | bio 113 | heading |
| DNA Technology | chapter 20 | bio 113 | chapter title |
| DNA, complementary | chapter 20 | bio 113 | heading |
| DNA, recombinant | chapter 20 | bio 113 | heading |
| DNA, structure of | chapter 19 | bio 113 | heading |
| Does evolution fashion perfect organisms | chapter 23 | bio 114 | heading |
| Domain, monophyletic = eukaryotes | chapter 28 | bio 114 | heading |
| Domain, paraphyletic = protista | chapter 28 | bio 114 | heading |
| Dominance hierarchies | chapter 51 | bio 114 | heading |
| Dominance relationships | chapter 14 | bio 113 | heading |
| Dominance, complete | chapter 14 | bio 113 | heading |
| Dominance, incomplete | chapter 14 | bio 113 | heading |
| Dominant alleles | chapter 14 | bio 113 | heading |
| Dominant generation, sporophyte as | chapter 29 | bio 114 | heading |
| Dominant, homozygous | chapter 14 | bio 113 | heading |
| Dominant, sex-linked affliction | chapter 15 | bio 113 | heading |
| Dorsal, hollow nerve cord | chapter 34 | bio 114 | heading |
| Dosage compensation | chapter 15 | bio 113 | heading |
| Double helix | chapter 5 | bio 113 | heading |
| Down syndrome | chapter 15 | bio 113 | heading |
| Down the concentration gradient | chapter 8 | bio 113 | heading |
| Down the concentration gradient, solvents | chapter 8 | bio 113 | heading |
| Drift, genetic | chapter 23 | bio 114 | heading |
| Duplication | chapter 15 | bio 113 | heading |