| H H H H H | letter |
| habilis, Homo | chapter 34 | bio 114 | heading |
| Habitat isolation | chapter 24 | bio 114 | heading |
| Habituation | chapter 51 | bio 114 | heading |
| Haploidy | chapter 13 | bio 113 | heading |
| Hardy-Weinberg equilibrium | chapter 23 | bio 114 | heading |
| Hardy-Weinberg problems, strategies for solving | chapter 23 | bio 114 | heading |
| Harnessing energy to move toward chemical disequilibrium | chapter 6 | bio 113 | heading |
| Harnessing movement toward chemical equilibrium | chapter 6 | bio 113 | heading |
| Heat energy | chapter 6 | bio 113 | heading |
| Helicase | chapter 16 | bio 113 | heading |
| Helix, alpha | chapter 5 | bio 113 | heading |
| Helix,double | chapter 5 | bio 113 | heading |
| Hemolymph | chapter 33 | bio 114 | heading |
| Herbivore | chapter 54 | bio 114 | heading |
| Hereditary material (prokaryotic) | chapter 27 | bio 114 | heading |
| Heredity | chapter 13 | bio 113 | heading |
| Hershey and Chase, 1952 | chapter 16 | bio 113 | heading |
| Heterochromatin | chapter 19 | bio 113 | heading |
| Heteromorphic | chapter 28 | bio 114 | heading |
| Heterosporous | chapter 29 | bio 114 | heading |
| Heterotrophs | chapter 10 | bio 113 | heading |
| Heterotrophs | chapter 27 | bio 114 | heading |
| Heterozygosity | chapter 14 | bio 113 | heading |
| Heterozygote | chapter 14 | bio 113 | heading |
| Heterozygous advantage | chapter 23 | bio 114 | heading |
| Hidden recessives | chapter 23 | bio 114 | heading |
| Hierarchical study of ecology | chapter 50 | bio 114 | heading |
| Hierarchies, dominance | chapter 51 | bio 114 | heading |
| Hierarchy of biological order | chapter 2 | bio 113 | heading |
| High heat of vaporization | chapter 3 | bio 113 | heading |
| High specific heat | chapter 3 | bio 113 | heading |
| Higher taxa | chapter 25 | bio 114 | heading |
| Hirudinea, class | chapter 33 | bio 114 | heading |
| Histones | chapter 19 | bio 113 | heading |
| History, chemical | chapter 2 | bio 113 | heading |
| History, life | chapter 52 | bio 114 | heading |
| Hollow, dorsal, nerve cord | chapter 34 | bio 114 | heading |
| Homeostasis, maintaining | chapter 50 | bio 114 | heading |
| Hominidae, family | chapter 34 | bio 114 | heading |
| Hominoidea, superfamily | chapter 34 | bio 114 | heading |
| Homo erectus | chapter 34 | bio 114 | heading |
| Homo habilis | chapter 34 | bio 114 | heading |
| Homo sapiens | chapter 34 | bio 114 | heading |
| Homo, genus | chapter 34 | bio 114 | heading |
| Homologous allele | chapter 14 | bio 113 | heading |
| Homologous chromosomes | chapter 13 | bio 113 | heading |
| Homologous structure | chapter 22 | bio 114 | heading |
| Homologues | chapter 13 | bio 113 | heading |
| Homology | chapter 22 | bio 114 | heading |
| Homosporous | chapter 29 | bio 114 | heading |
| Homozygosity | chapter 14 | bio 113 | heading |
| Homozygote | chapter 14 | bio 113 | heading |
| Homozygous dominant | chapter 14 | bio 113 | heading |
| Homozygous recessive | chapter 14 | bio 113 | heading |
| Hormones | chapter 11 | bio 113 | heading |
| Host range | chapter 18 | bio 113 | heading |
| How ATP works | chapter 6 | bio 113 | heading |
| Human disorders involving changes in chromosome numbers | chapter 15 | bio 113 | heading |
| Hybrid breakdown | chapter 24 | bio 114 | heading |
| Hybrid fertility, reduced | chapter 24 | bio 114 | heading |
| Hybrid viability, reduced | chapter 24 | bio 114 | heading |
| Hybrid vigor | chapter 23 | bio 114 | heading |
| Hybrid zone | chapter 24 | bio 114 | heading |
| Hybridization, in situ | chapter 20 | bio 113 | heading |
| Hydration shells | chapter 3 | bio 113 | heading |
| Hydrocarbon | chapter 4 | bio 113 | heading |
| Hydrogen atoms | chapter 9 | bio 113 | heading |
| Hydrogen bonding | chapter 3 | bio 113 | heading |
| Hydrogen bonds | chapter 2 | bio 113 | heading |
| Hydrogen ions | chapter 3 | bio 113 | heading |
| Hydrogen ions, pumping | chapter 9 | bio 113 | heading |
| Hydrolysis | chapter 5 | bio 113 | heading |
| Hydrolysis, ATP | chapter 6 | bio 113 | heading |
| Hydrophilic | chapter 3 | bio 113 | heading |
| Hydrophilic functional groups | chapter 4 | bio 113 | heading |
| Hydrophilicity | chapter 3 | bio 113 | heading |
| Hydrophobic | chapter 3 | bio 113 | heading |
| Hydrophobic exclusion | chapter 3 | bio 113 | heading |
| Hydrophobicity | chapter 3 | bio 113 | heading |
| Hydroxyl group | chapter 4 | bio 113 | heading |
| Hydroxyl ions | chapter 3 | bio 113 | heading |
| Hypertonic | chapter 8 | bio 113 | heading |
| Hyphae | chapter 31 | bio 114 | heading |
| Hypotonic | chapter 8 | bio 113 | heading |