Download Biology of Bats by William Wimsatt (Eds.) PDF

By William Wimsatt (Eds.)

Show description

Read Online or Download Biology of Bats PDF

Similar mammals books

Electroporation Protocols: Preclinical and Clinical Gene Medicine

Electroporation gene remedy, or gene electrotransfer, has developed significantly during the last few a long time a result of outstanding development in genetic sequencing, gene array research, gene cloning, gene expression detection, DNA manufacture and discovery and synthesis of siRNA. Electroporation Protocols: Preclinical and medical Gene drugs, moment variation presents in-depth wisdom at the supply of bare DNA and small-interfering RNA (siRNA) to the exact cells, tissues, and animals for prevention and therapy of sickness.

Neurodegenerative Diseases: Clinical Aspects, Molecular Genetics and Biomarkers

This booklet supplies an outline of the present wisdom at the commonest neurodegenerative illnesses, together with Alzheimer’s sickness, frontotemporal lobar degeneration, amyotrophic lateral sclerosis, and extra neurodegenerative illnesses. assorted features of every ailment are reviewed, together with medical concerns, remedies, simple discoveries (genetics and molecular biology), and translation of easy learn into biomarkers for early prognosis.

Search and Discovery. A Tribute to Albert Szent-Györgyi


Extra resources for Biology of Bats

Sample text

Caves are a stable habitat, shielded from some of the natural forces that influ­ ence life in less protected environs. At present we can only speculate about the long-time effects of cave occupation by bats. Perhaps certain mutagenic factors such as cosmic rays may have unusual relationships to the evolution of cave bats. Very little is known (or agreed to), how­ ever, about maximum natural rates of evolution (Smith, 1968) or about the relationships of "observed" rates in phenotypes and the theoretical rates at the molecular level.

This consideration may suggest that birds were a controlling factor in the escape of insects to nocturnalism which, in turn, attracted the primor­ dial bats to night-feeding. This comment grossly simplifies the probable complexities of the processes, but it suggests, however tenuously, that birds evolved earlier than bats did and that insectivorous bats were antecedent to fruit bats. Insects have acquired various kinds of volitional and autonomic behavioral systems that act as bat-evading (escape) mechanisms, and the development of such structures as scales by insects may also be partly a function of the predator-prey relationship.

It probably had a long and clawed index finger as well as teeth with pointed cusps, but the poor preservation of part Fig. 13. Η Ic Index claw bone (terminal phalange) of second digit of right manus. 34χ. humerus index claw bone (ungual or third phalange of second digit) Pn perforation S2 second (middle) phalange of second digit U ulna Fig. 13. 1. BAT ORIGINS AND EVOLUTION 39 40 GLENN L . JEPSEN of the incomplete skeleton has precluded rigorous study of dental and other details. The specific name referred to the nomenclator's belief that the specimen was intermediate between the megachiropts and the microchiropts, but most taxonomists now prefer to regard it as a megabat.

Download PDF sample

Rated 4.80 of 5 – based on 40 votes