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Chromosomes
Drosophila polymorphism, 251-252 , 283
Drosophila polytene, 299-300 , 307 , 310
mapping, 252
telomerase, 34
Chroococcaceans
fossil-modern comparisons, 49-50 , 52
ranges of growth/survivability, 53-55
Classification systems
cenancestor in, obstacles to, 20-22
cyanobacteria, 44 , 49
domains in, 14-15 , 16
prokaryote-eukaryote-archaebacteria, 6-7 , 11 , 14-16
Cnidarians, 89-90
Coalescence theory, 196-197 , 206
Codons
in chloroplast, 220 , 229
concomitantly variable. See Covarions
in molecular clock, 243-244
Color vision, 205-206
Comparative sequence analysis, 230 , 231
Competition, as extinction factor, 111-112 , 117-118
Complexity
body plan, cell-type number and, 92-93
Cambrian metazoa, 92
forcing mechanisms in, 92 , 93
morphological diversity and, 86
Precambrian worms, 99
Covarions
in molecular clockwork, 243 , 246 , 248
in SOD simulation, 236-237 , 240 , 243
theory of, 235-236
Cretaceous-Tertiary mass extinction, 110 , 114-115 , 118-119 , 121
Cyanobacteria, 9
classification, 6
ecological distribution, 53
hypobradytelic evolution in, 47-53 , 57
living vs. fossil morphology, 44 , 47-50 , 48 , 57
paleoenvironment, 50-52
Precambrian evolution, 42 , 57-58
Precambrian fossil record, 43 , 44-46
ranges of growth/survivability, 53-56
reproduction, 53
specialization and survivability, 53 , 56
tempo of evolution, 43-44
Cytoskeletal proteins, 16
D
Darwin, Charles, iii-iv 125
on extinction, 109-111 , 117-118 , 137
Lyell and, 126
uniformitarianism in thought of, 126-127 , 137
Deuterostomes, 95 , 96
Dinosaurs
fossil record, 113
species susceptibility in extinction, 120
taxonomic selectivity in extinction of, 118
Diplomonads, 19
Discontinuous variation, iv
Diversity peaks
acritarch, 74-76 , 77-79
Cambrian explosion, 85 , 87-91 , 93 , 99 , 102-103
Middle Cambrian body plans, 91
Proterozoic protistans, 77-78 , 79 , 80
DNA
Drosophila , extraction and sequencing of, 289-290
Drosophila polymorphism, patterns of, 251 , 283
in Drosophila polytene, 300
