Homoptera 162, 165
Homo sapiens 86
Homo sapiens
neanderthalensis 242
homosexual 165
homosporous 166
homozygous 166
honeybee 158
Hooke, Robert 166
hookworms 166
Hopkins, Frederick Gowland
167
hormone 99–100, 167
hornworts 50
Houssay, Bernardo Alberto
167
HOX genes (homeobox) 164
HSPs (heat-shock proteins)
157
5-HT (serotonin) 244, 267,
305
“Human Cytogenetics:
Historical Overview and
Latest Developments”
(Harrison) 67–68
Human Genome Project
167–168
human leucocyte antigens
(HLA) 212
humerus 308
hummingbird 75
humoral immunity 168
Hutton, James 333
Huxley, Julian 11
Huxley, T. H. 168
hyaline 168
hybrid 168
hybridization 168
hybridoma 168
hybrid vigor 168
hybrid zone 168
hydathodes 153
hydration 168
hydrocarbon 168
hydrocarbon solvent 310
hydrocephalus 168
hydrogenase 168
hydrogen bond 168–169
hydrogen ion (hydron) 169
hydrolase 169
hydrolysis 169
hydron 169
hydrophilic 169
hydrophilic amino acids 14
hydrophilicity 169
hydrophobic 169
hydrophobic (nonpolar)
amino acids 14
hydrophobic interaction 169
hydrophobicity 169
hydrostatic skeleton 169
20-hydroxyecdysone 105
hydroxyl group 169
hydroxyl ion (-OH) 169
5-hydroxytryptamine
(serotonin) 244, 267, 305
Hymenoptera 120, 169
hyperactive 169
hyperendemic 169
hyperfine 109
hyperglycemia 95
Hypericum perforatum(St.
John’s-wort) 158
hyperopia (farsightedness)
125
hyperparasitoid 170
hyperplasia 170–171
hyperpolarization 93, 171
hypertension 47
hypertonic solution 171
hypertrophies (galls) 137
hypertrophy 171
hyperventilate 171
hypha 171
hypogynous ovary 171
hypomere 217
hypoosmotic solution 171
hypoparathyroidism 260
hypopharynx 265
hypopigmentation 91
hypotension 47
hypothalamus 171, 243
hypothesis 171
hypotonic solution 171I
ice ages 37, 85
identical twins 331
Ig (immunoglobulin;
antibody) 20–21,21,46,
86, 173
IL (interleukin) 178
ilium 173
imaginal disk 173
imaging 173
immigration 173
immortalization 322
immune modulator (mediator
modulator) 214
immune response 173,274,
303
immunoglobulin (Ig;
antibody) 20–21,21,46,
86, 173
immunogold 173
immunologic memory 274
immunology 48, 196, 214
imperfect fungi 173
impotence (erectile
disfunction) 173
imprinting 174
inbreeding 174
incest 174
incomplete cleavage
(meroblastic cleavage) 216
incomplete dominance 174
incomplete flower 174incomplete metamorphosis
174
IND 174
indeterminate cleavage 174
indeterminate development
(regulative development)
289
indeterminate egg layer 174
indeterminate growth 174
indeterminate inflorescence
174
index fossils 174
indigenous 174
indole-3-acetic acid (IAA) 32
induced fit 174
induced resistance 320
inducer molecule 116
inducible enzyme 116
induction 174
industrial melanism 175
inert 175
infanticide 175
infectious 175
inferior ovary (epigynous
ovary) 175
inflammatory granulocyte
272
inflammatory response 175
inflorescence 175,175–176
ingestion 176
inhibin 304
inhibition 176
inhibitor 176
inhibitory postsynaptic
potential (IPSP) 176
initials 282
innate behavior 176
inner cell mass 176
inositol 1,4,5 triphosphate
(IP3) 176
inquiline 176
Insecta 176
insecticide 231–232
insectivorous 176
“Insects and Man—An Exotic
Dilemma” (McCabe)
158–159
insect stings 56
insertion 176,177, 328
insertion reaction 177
insertion sequence 177
insight learning 177
inspiration 209
instability constant 313
instinct 177
insula 62
insulin 34, 95, 100,
152–153, 178, 211
integral protein 178
integrated pest management
(biological control) 40
inter- 178
interbreed (crossbreed) 178
intercalation compounds 178intercellular fluid (interstitial
fluid) 179
intercourse (coitus) 75
interferon 178
interleukin 178
intermediate filament 178
intermolecular charge transfer
63
Internet websites 363–364
interneuron 179
internode 179, 179
interphase 179, 223
interstitial 179
interstitial cells 179
interstitial deletion 91
interstitial fluid (intercellular
fluid) 179
intertidal zone 179
intra- 179
intrinsic activity 179–180
intrinsic rate of increase
(rmax) 180
introgression 180
intron 180,180, 308
inverse agonist (negative
antagonist) 181
inversion 181
invertebrates 181
in vitro fertilization 181
ion 181
ion channel 139, 181,205,
343
ionic bond 181
ionic dissociation 27
ionizing radiation 283
ionophore 181
ion pump 181
IP3 (inositol 1,4,5
triphosphate) 176
IPSP (inhibitory postsynaptic
potential) 176
iron-responsive element 181
iron-responsive protein (IRP)
181
iron-sulfur cluster 181
iron-sulfur proteins 181
IRP (iron-responsive protein)
181
irregular 182
irritant contact dermatitis
(contact dermatitis)
285– 286
irruption 182
ischemia 182
isidia 205
isobacteriochlorin 182
isoenzymes 46, 182
isogamy 182
isolating mechanism 182
isomerase 182
isomerism 315
isomers 182
isomorphic alternation of
generations 182Index 391