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Thursday, July 30, 2020 | History

6 edition of Reproductive Cycles in Lizards and Snakes (Miscellaneous Publications No 52) found in the catalog.

Reproductive Cycles in Lizards and Snakes (Miscellaneous Publications No 52)

Henry S. Fitch

Reproductive Cycles in Lizards and Snakes (Miscellaneous Publications No 52)

by Henry S. Fitch

  • 58 Want to read
  • 22 Currently reading

Published by Museum of Natural History .
Written in English

    Subjects:
  • Science: General Issues,
  • Science/Mathematics

  • The Physical Object
    FormatPaperback
    ID Numbers
    Open LibraryOL11302390M
    ISBN 100893380377
    ISBN 109780893380373
    OCLC/WorldCa232915410

    Most living reptiles belong to the order Squamata, which includes more than 2, species of snakes (suborder Serpentes) and more than 3, species of lizards (suborder Sauria). Squamates occur in greatest numbers in the tropics, but many snakes and lizards occur in the higher temperate regions, and a few range near or above the Arctic Circle. Reptile Reproduction. Reptiles can reproduce sexually or asexually, utilize internal fertilization and lay amniotic eggs. % Progress. MEMORY METER. This indicates how strong in your memory this concept is. Practice. Preview;.

      The reproductive cycle of S. spinosus, although it is from a high-elevation tropical area, is more similar to reproductive cycles of these species than to those of most other oviparous sceloporines. Both sexes initiate reproduction in late autumn, maximum activity occurs in late winter and early spring, and ovulation and fertilization occur in. In snakes and lizards the male organ, called the hemipenes, is actually a pair of structures, with one of the pair, or hemipenis, situated internally on each side of the male's vent. Each hemipenis, which itself may be forked, is a functional structure: either one may be protruded from the vent and used in mating, the choice usually depending.

    Introduction. The timing of events during a reproductive cycle affects multiple life history traits that are acted on by natural selection to maximize reproduction of offspring (Roff ; Shine ).For viviparous lizards, the reproductive cycle is largely dependent on abiotic factors, such as precipitation, temperature and photoperiod (Shine ; Ramírez‐Pinilla et al. ; Clusella. Key words.-Fecundity,lizards, reproduction, reptiles, snakes. Received August 4, Accepted Therelative allocation ofresources to re­ production may be one of the most fun­ damental characteristics ofan organism's life history. Accordingly, attempts to pre­ dict and explain variation in reproductive.


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Reproductive Cycles in Lizards and Snakes (Miscellaneous Publications No 52) by Henry S. Fitch Download PDF EPUB FB2

Excerpt from Reproductive Cycles of Lizards and Snakes Requests of individuals are handled instead by the Museum of Natural Hist University Of Kansas, Lawrence, Kansas When individuals request co; the Museum the amount indicated below should be included for the purpose of some of the costs of producing, wrapping and mailing.

Nos. 6, 12 Cited by:   Buy Reproductive Cycles of Lizards and Snakes (Classic Reprint) on FREE SHIPPING on qualified orders Reproductive Cycles of Lizards and Snakes (Classic Reprint): Fitch, Henry S.: : Books5/5(1).

Additional Physical Format: Online version: Fitch, Henry S. (Henry Sheldon), Reproductive cycles of lizards and snakes. [Lawrence] Museum of Natural History, University of Kansas,   Work by Fitch and colleagues extensively cataloged reproductive cycles in lizards and snakes based upon mode and degree of seasonality of reproduction, size at reproductive maturity, fecundity, and other life history-based assessments (e.g., Fitch, ).Cited by:   Male Reproductive Cycles in Lizards hand, the exposition to fl uctuant temperatures in reptiles is important to complete the testis cycle (Gavaud ).

Some recent studies, mainly with snakes and lizards, have started to reveal the importance of specific pheromones in reproduction and sexual selection.

This chapter reviews the results of experiments showing that pheromones are involved in sex and individual recognition, territoriality, intrasexual aggression between males, mate choice, and.

About this book. Reproductive Biology and Phylogeny of Snakes covers a wide range of topics on snake reproduction and phylogeny, from primordial germ cell migration in developing embryos to semelparity (death following a single reproduction) in the Aspic Viper.

Two chapters present different approaches to snake phylogenetics, one incorporating morphological characters and the other taking. Reptile - Reptile - Courtship and fertilization: The evolution of amniotic development and the shelled egg enabled vertebrates to become fully terrestrial.

These two evolutionary advances required the previous development of internal fertilization. In other words, the deposition of sperm by the male into the female’s reproductive tract and the sperm’s subsequent penetration of the egg cell.

Offering coverage of a wide range of topics on snake reproduction and phylogeny, this comprehensive book discusses everything from primordial germ migration in developing embryos to semelparity (death after reproduction) in the aspic viper.

Beginning with a review of the history of snake reproductive studies, it presents new findings on development. Even in the tropics, however, many reptiles have seasonal reproductive patterns.

The female equatorial lizard, Agama agama lionotus, for example, produces eggs only in July and August in Kenya, even though males have testes with bunched spermatozoa throughout the year (MARSHALL and HOOK, ).

Sperm production throughout the year has also been. Our study showed variation in morphological (SVL at sexual maturity, mean SVL, body mass) and reproductive characteristics (reproductive cycles, clutch size, clutch frequency, and RCM) among populations of S.

variabilis analyzed, a similar pattern has been observed in other species of lizards (Du et al. ; Roitberg et al. About this book. Reproductive Biology and Phylogeny of Lizards and Tuatara is a remarkable compendium of chapters written by the world's leading experts from over four continents. The book begins with a chapter recounting historical discoveries in reproductive biology and a review of phylogenetics and up-to-date hypotheses concerning evolutionary relationships among lizards.

The lizards are hard to see in the cold places or in winters due to the cold blood. Lizards have the ability to regain their tails if it accidentally loose.

The lizards have the forked tongue which is similar to the snakes. the lizards have the same action like snakes and keep the tongue in and out of their mouth to smell the surroundings. In most species of lizards, the life cycle begins with the lizard hatching from an egg, although a few species give birth to live young.

Juvenile lizards then grow into adults without undergoing a metamorphosis that is seen in amphibian species. Adults mate and lay eggs and the cycle. The Book of Snakes presents species of snakes from around the world, covering nearly one in six of all snake species. It will bring greater understanding of a group of reptiles that have existed for more than million years, and that now inhabit every continent except Antarctica, as well as two of the great oceans.

Snake Reproduction Cycle. Snakes don’t have reproductive organs. From the outside, snakes don’t display sexual dimorphism (the visual differences between the sexes.) Corn snakes are in the order Squamata, which contains most lizards and reptiles.

Class: Corn snakes are in the order Reptilia, containing all reptiles. Reproductive cycles of lizards from western North America. H.S. R eproductive cycles in lizards and snakes. University of Kansas Museum of Natural The book is a delightful and quick.

Abstract. -- The reproductive cycle of the spotted sand lizard, Meroles suborbitalis was studied from a histological examination of gonads. A Field Guide to Snakes and other Reptiles of Southern Africa.

3rd ed., Ralph Curtis Books Publishing, Sanibel Island, Florida. Fitzsimons, V. The Lizards of South Africa. Transvaal. Hormones and Reproductive Cycles in Lizards; Hormones and Reproductive Cycles in Snakes; Actions of Endocrine Disrupting Contaminants in Reptiles; Volume 4 - Birds. Neuroendocrine Control of Reproduction in Birds; Avian Testicular Structure, Function, and Regulation.

Lizards can be ready to mate when they are a year old for most of the small and medium species. For the larger ones it may be two or three years of age.

There are a few species of Lizards that take part in asexual reproduction. Reproductive Biology and Phylogeny of Snakes by Robert D.

Aldridge,available at Book Depository with free delivery worldwide.The reproductive cycle of a lizard is similar to many other animals and controlled by external factors such as temperature, food supply, rainfall, and day length. Taxonomy of lizards Lizards belong to an order of reptiles known as the Squamata, which also includes snakes.Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): (external link) http.