Early Life: Evolution on the Precambrian EarthJones & Bartlett Learning, 2002 - Всего страниц: 168 Early Life: Evolution on the PreCambrian Earth, Second Edition offers an informative and compelling analysis of microbial evolution, often overlooked as the opening chapter of life's history. With this long-awaited new edition, Lynn Margulis and Michael Dolan integrate new discoveries from the past two decades, such as the enormous contribution of molecular biology, especially the accumulation of protein and DNA sequence information upon which the Woese three-domain system is based. Yet the prokaryotic-eukaryotic distinction remains the largest evolutionary discontinuity in life on Earth. Are the well-formed filaments found so recently in the Warrawoona Series of northwestern Australia really evidence of the oldest life on the planet? Do the fossils found in the great Gunflint Iron Formation of Ontario tell that bacteria were instrumental in the accumulation of the most important iron reserves in the world? These questions are not solved here, but they are raised for students, scientists, and general readers interested in the most basic evolution and its consequences. No special scientific background is required of the reader, only a lively interest. |
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Стр. iv
... environments , could help tell the story of early life . The heat and geochemical conditions in these environments may be similar to the hos- tile conditions that existed on the young , cooling Earth . World Headquarters Jones and ...
... environments , could help tell the story of early life . The heat and geochemical conditions in these environments may be similar to the hos- tile conditions that existed on the young , cooling Earth . World Headquarters Jones and ...
Стр. viii
... Environment Chapter 4 A New Kind of Cell The First Eukaryotes Biological Partnerships The Nucleus Eukaryotes without Mitochondria Undulipodia Movement within Cells Mitochondria 57 3。3⌘ གུ 59 63 66 69 73 79 7 288 77 83 85 89 96 98 103 ...
... Environment Chapter 4 A New Kind of Cell The First Eukaryotes Biological Partnerships The Nucleus Eukaryotes without Mitochondria Undulipodia Movement within Cells Mitochondria 57 3。3⌘ གུ 59 63 66 69 73 79 7 288 77 83 85 89 96 98 103 ...
Стр. xiii
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Стр. xviii
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Стр. xix
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Содержание
Life without Oxygen | 25 |
Life with Oxygen | 57 |
The First Eukaryotes | 79 |
Eukaryotes without Mitochondria | 85 |
Movement within Cells | 96 |
Chromosomes and Mitosis | 111 |
Meiosis | 119 |
The Modern | 129 |
Glossary | 147 |
Часто встречающиеся слова и выражения
aerobic algae amebas amino acids anaerobic ancestors anoxygenic archaebacteria Archean atmosphere autotrophs bacteria bacterium billion biological calcium Cambrian carbon dioxide cell division centriole chemical chlorophyll chloroplasts chromosomes cilia complex contain cyanobacteria cycle cytochrome cytoplasm dinomastigotes early Earth electron-transport chain electrons energy environment enzymes eukaryotic eukaryotic cells evolution evolutionary evolved fermentation Figure flagella formation fossil record fungi genes genetic material genomes groups heterotrophic hydrogen atoms hydrogen sulfide intracellular iron karyomastigont kinetochore kinetosome kingdom layers lineages living Margulis meiosis membrane membrane-bounded metabolic microbes microtubules million years ago mitochondria mitosis mitotic motility multicellular nitrogen nucleus offspring cells organelles organic compounds origin oxidized oxygen parent pathway phosphate photoautotrophs photosynthetic photosystem pigments plastids produced prokaryotes proteins Proterozoic protists protoctists reaction center replication reproduction respiration ribosomes rocks sediments sequence sexual single-celled species spindle spirochetes spores stromatolites structure sulfate sulfur surface symbiogenesis symbiosis symbiotic tissue tubulin ultraviolet undulipodia zygote