An Introduction to Social Biology by Alan Dale (Auth.)

By Alan Dale (Auth.)

Show description

Read or Download An Introduction to Social Biology PDF

Best physical books

Physical Anthropology volume 10th Edition

Authors Stein and Rowe proceed to percentage their love of discovery with scholars during this balanced, target advent to actual anthropology that doesn't think that scholars have any past wisdom of the topic. conscientiously streamlined, making it extra obtainable and cheap, this variation offers scholars with a pedagogical software designed to facilitate comprehension.

INSTRUCTOR'S MANUAL - Uppers, Downers, All Arounders: Physical and Mental Effects of Psychoactive Drugs

This variation comprises the most up-tp-date and complete info at the body structure, neurochemistry and sociology of substances in to at least one of the simplest test/reference books at the topic. suggested studying for AOD counseling certification and followed through 1000s of schools and universities in addition to federal, kingdom and native legislation enforcement firms, this article offers readers at each point with a considerate and during exam of the actual and psychological results of psychoactive medicinal drugs and compulsive behaviors.

Development and Regenerative Capacity of Descending Supraspinal Pathways in Tetrapods: A Comparative Approach

During this treatise, present wisdom at the neurogenesis, axonal outgrowth, synaptogenesis, and regenerative means of descending supraspinal pathways in tetrapods is mentioned. even if emphasis is at the clawed toad, Xenopus laevis, chook embryos, opossum and rodent facts, additionally the information on hand for primates together with guy are awarded.

Tellurite glasses handbook : physical properties and data

"This instruction manual discusses the actual constants and homes of the original, non-crystalline solids referred to as tellurite glasses. It comprises inflexible information from experiments performed over the past 60 years and provides their elastic, anelastic, optical, electric, and thermal homes. This moment version covers advances in improvement and functions similar to new photonics, sensing, and optics purposes.

Additional resources for An Introduction to Social Biology

Example text

Successive stages (I, II, III) in the development of embryos of (a) tortoise ; (6) chick ; (c) pig ; and (d) man. The younger the embryos are, the closer they resemble one another, and the more they resemble the corresponding stage in the life history of a fish. ) which bear a distinct resemblance to the developing stages of animals on a lower plane of organisation, in many cases it certainly is true. The facts can easily be explained by the hypothesis that organisms have not been independently created, but have arisen as the modified MAN AND EVOLUTION 37 descendants of some previously existing forms ; in other words, that evolution has taken place.

Also, in the skulls of embryonic apes the heavy brow ridges, which are such a prominent feature of the adult, are undeveloped. They are absent in the adult man, where their function of acting as a bony buttress against the biting action of the lower jaw is taken over by the vertical wall of the frontal bone above the eyes. This vertical wall is, of course, absent in adult apes, where the forehead slopes sharply back from the eyes, though it is present in the embryos. These, then, are the main lines of evidence which suggest, though, of course, they do not prove, that man has been evolved from an apelike ancestor by processes which have resulted in the slowing up of the F I G .

50 SOCIAL BIOLOGY the jaw muscles of an echinoderm called Strongylocentrotus lividus, and in the Tornaria larva of Balanoglossus. Of course, the theory does not assume that the chordates are derived from any living form of Echinoderm, but imagines that they may have been developed from the freeswimming larva of some remote Echinoderm ancestor. A surprising fact which emerges from the study of evolution is that many patMOUTH terns of life which flourished abundantly in past ages no longer exist.

Download PDF sample

Rated 4.75 of 5 – based on 25 votes