000			05701cam a2200625Mi 4500
001			9781003176381
003			FlBoTFG
005			20220711212503.0
006			m o d
007			cr |n|||||||||
008			210803s2021 flu ob 001 0 eng d
040			_aOCoLC-P _beng _cOCoLC-P
020			_a9781000405620 _q(electronic bk.)
020			_a1000405621 _q(electronic bk.)
020			_a9781000405606 _q(PDF ebook)
020			_a1000405605
020			_a9781003176381 _q(ebook)
020			_a1003176380
020			_z9781032009193
020			_z1032009195
024	7		_a10.1201/9781003176381 _2doi
035			_a(OCoLC)1263253477
035			_a(OCoLC-P)1263253477
050		4	_aQH380 _b.P36 2021
072		7	_aNAT _x001000 _2bisacsh
072		7	_aSCI _x039000 _2bisacsh
072		7	_aSCI _x072000 _2bisacsh
072		7	_aTVT _2bicssc
082	0	4	_a577 _223
100	1		_aPandian, T. J., _eauthor. _916947
245	1	0	_aEvolution and speciation in animals / _cT.J. Pandian.
250			_aFirst edition.
264		1	_aBoca Raton : _bCRC Press ; _bTaylor & Francis Group, _c2021.
300			_a1 online resource (346 pages cm)
336			_atext _btxt _2rdacontent
337			_acomputer _bc _2rdamedia
338			_aonline resource _bcr _2rdacarrier
500			_a"CRC Press is an imprint of the Taylor & Francis Group, an Informa bsiness."
500			_a"A science publishers book."
505	0		_aSpatial distribution -- Coevolution and diversity -- Food and feeding modes -- Gonochorism and males -- Hermaphroditism and selfing -- Parthenogenesis and unisexualism -- Clonals and stem cells -- 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 -- Direct and indirect life cycle -- Brooding and viviparity -- Feeding and non-feeding larvae -- Parasites and hosts -- Sex determination and differentiation -- Metamorphosis and recruitment -- Message from fossils -- Conservation -- Climate change.
520			_aThis book represents the first attempt to quantify environmental factors and life history traits that accelerate or decelerate species diversity in animals. About 15%, 8% and 77% of species are distributed in marine (70% of earth's surface), freshwater (< 1%) and terrestrial (~ 29%) habitats. Hence, the terra firma fosters more diversity. The harsh hadal, desert and elevated montane habitats restrict diversity to 0.5-4.2%. Costing more time and energy, osmotrophic and suspension modes of food acquisition limit diversity to < 20%. In minor phyletics, evolution has proceeded from a wrong combination' of low motility and gonochorism to sessility and hermaphroditism. The motile major phyletics are more speciose (166,279 species/phylum) than the latter (1,975 species/phylum). As evolution and speciation are driven by motility, sessility is limited to 2.9% animals. Selfing hermaphrodites (0.9%), parthenogens (< 0.6%) and clonals (~ 2%) miss meiosis and/or fertilization. Unable to tolerate them together, animals mutually eliminate parthenogenesis and hermaphroditism as well as parthenogenesis and cloning from each other. In clonals, colonial budding (94%) is more common than costlier fragmentation in solitary clonals. The newly proposed hypothesis explains that each stem cell plays an additive role and the required mass of stem cells differs for cloning and regeneration. Incidence of heterogamety is four-times more in males than in females. Hence, evolution is more a male-driven process. Egg size is determined by environmental factors, but lecithality is genetically fixed. In poikilotherms, sex is also determined by gene(s), but differentiation by environmental factors. The extra-ovarian vitellogenesis (> 96%), spermatozoan (81%) rather than spermatophore mechanism of sperm transfer, promiscuity and polygamy over monogamy, iteroparity (99.6%) over semelparity and internal fertilization (84%) are preferred, as they accelerate diversity. Body size and egg size determine fecundity. Indirect life cycle (82%) and incorporation of feeding larval stages accelerate diversity. Brooding and viviparity (6.4%) decelerate it. Parasitism extends life span and liberates fecundity from eutelism. Evolution is an ongoing process, and speciation and extinction are its unavoidable by-products. The in-built conservation mechanism of reviving life after a sleeping duration has been reduced from a few million years in microbial spores to a fewthousand years in plant seeds and a few hundred years in dormant eggsin animals. Hence, animal conservation requires priority. The existence of temperature-resistant/insensitive individuals, strains and species shall flourish during the ongoing global warming and earth shall continue with such burgeoning species, hopefully inclusive of man.
588			_aOCLC-licensed vendor bibliographic record.
650		0	_aAnimal species. _916948
650		0	_aAnimal ecology. _916949
650		0	_aAnimals _xVariation. _916950
650		0	_aSpecies diversity. _916951
650		0	_aEvolution (Biology) _916952
650		7	_aNATURE / Animals _2bisacsh _912001
650		7	_aSCIENCE / Life Sciences / Biology / Marine Biology _2bisacsh _916953
650		7	_aSCIENCE / Life Sciences / Biology / Developmental Biology _2bisacsh _912980
710	2		_aProQuest (Firm) _916954
856	4	0	_3Taylor & Francis _uhttps://www.taylorfrancis.com/books/9781003176381
856	4	2	_3OCLC metadata license agreement _uhttp://www.oclc.org/content/dam/oclc/forms/terms/vbrl-201703.pdf
942			_cEBK
999			_c71387 _d71387