The relatively more motile major phyletics have evolved more toward species diversity, while the relatively low motile or sessile minor phyletics have gone for more phylum diversity. Interestingly, the non-motile plants and microbes have also moved toward strain/racial diversity within a species rather than species diversity.
The relatively more motile major phyletics have evolved more toward species diversity, while the relatively low motile or sessile minor phyletics have gone for more phylum diversity. Interestingly, the non-motile plants and microbes have also moved toward strain/racial diversity within a species rather than species diversity.
Recipient of the S.S. Bhatnagar Prize, the highest Indian award for scientists, one of the ten National Professorships, T.J. Pandian has served as editor/member of editorial boards of many international journals. His books on Animal Energetics (Academic Press) identify him as a prolific but precise writer. His five volumes on Sexuality, Sex Determination and Differentiation in Fishes, published by CRC Press, are ranked with five stars. He has authored a multi-volume series on Reproduction and Development of Aquatic Invertebrates, including the volumes on Crustacea, Mollusca, Echinodermata and Prochordata, Annelida, Platyhelminthes and Minor Phyla have been published.
Inhaltsangabe
General Introduction. ENVIRONMENTAL FACTORS. Spatial Distribution. Coevolution and Diversity. Food and Feeding Modes. LIFE HISTORY TRAITS: B1: SEXUALITY. Gonochorism and Males. Hermaphroditism and Selfing. Parthenogenesis and Unisexualism. Clonals and Stem Cells. B2: GAMETOGENESIS AND FERTILIZATION. Mitosis and Meiosis. Oogenesis and Vitellogenesis. Spermatogenesis and Spermatophores. Female- vs Male-Heterogamety. Eutelism and Parasitism. Monogamy vs Polygamy. Semelparity vs Iteroparity. Spawning and Oviposition. Fertilization Success. Fecundity. B3: EMBRYOGENESIS AND DEVELOPMENT. Direct and Indirect Life Cycle. Brooding and Viviparity. Feeding and Non-feeding Larvae. Parasites and Hosts. Sex Determination and Differentiation. Metamorphosis and Recruitment. PAST, PRESENT AND FUTURE. Message From Fossils. Conservation. Climate Change.
General Introduction. ENVIRONMENTAL FACTORS. Spatial Distribution. Coevolution and Diversity. Food and Feeding Modes. LIFE HISTORY TRAITS: B1: SEXUALITY. Gonochorism and Males. Hermaphroditism and Selfing. Parthenogenesis and Unisexualism. Clonals and Stem Cells. B2: GAMETOGENESIS AND FERTILIZATION. Mitosis and Meiosis. Oogenesis and Vitellogenesis. Spermatogenesis and Spermatophores. Female- vs Male-Heterogamety. Eutelism and Parasitism. Monogamy vs Polygamy. Semelparity vs Iteroparity. Spawning and Oviposition. Fertilization Success. Fecundity. B3: EMBRYOGENESIS AND DEVELOPMENT. Direct and Indirect Life Cycle. Brooding and Viviparity. Feeding and Non-feeding Larvae. Parasites and Hosts. Sex Determination and Differentiation. Metamorphosis and Recruitment. PAST, PRESENT AND FUTURE. Message From Fossils. Conservation. Climate Change.
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