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behavior at biology definition

Thermoregulation

...egulation : This is when an organism changes its behavior to changes it body temperature. For example, when your body starts to get hot because of the sun , you may want to find a shade to cool yourself down. Physiological temperature regulation in vertebrates By numerous observations upon men and ...

Species

... to distinguish species; both anatomy and breeding behavior are still important to assigning species status. A...based on color (all plants with yellow flowers) or behavior (snakes, scorpions and certain biting ants). In the 18th century Carolus Linnaeus classified o...

Sociobiology

...lso sociology that attempts to throw light upon behavior in both human and non-human societies in term... the leading opponents of sociobiology and genetic behavior research self-identified as ethnically Jewish, which created a scientific conflict of interest in th...

Cell membrane

... proteins are important for the regulation of cell behavior and the organization of cells in tissues. In animal cells, the cell membrane establishes this separation alone, whereas in yeast, bacteria and plants an additional cell wall forms the outermost boundary, providing primarily mechanical support. T...

Parthenogenesis

...enogenesis of Mice at Nature.com Reproductive behavior in whiptails at Crews Laboratory Types of asexual reproduction...

Osmosis

...raction . Most real solutions approximate ideal behavior for low solute concentrations (At higher concentrations interactions between solute and solvent cause deviations from Equation 1). This reduced potential creates a driving force and it is this force which drives diffusion of water through the semipe...

Operator

...lly, the study of one particular operator, and its behavior embodies and exemplifies the idea of the operator very clearly. The key operator studied is the differential operator . It is linear , as are many of the operators constructed from it. The differential operator Main article : Differential o...

Neuroscience

... pathology of the nervous system . The study of behavior and learning is also a division of neuroscience. The biological study of the human brain is an interdisciplinary field which involves many levels of study, from the molecular level through the cellular level (individual neurons ), the level of ...

Modern evolutionary synthesis

...ical systems exhibiting the same type of selective behavior of the 'fittest' such as memes in culture. See also: Population genetics References Dobzhansky, T. Genetics and the Origin of Species , Columbia University Press, 1937 ISBN 0-2310-5475-0 Fisher, R. A. The Genetical Theory of Natu...

Konrad Lorenz

... awarded "for discoveries in individual and social behavior patterns". Lorenz was also a friend and student of renowned biologist Sir Julian Sorell Huxley (grandson of "Darwin's Bulldog", Thomas Henry Huxley ). His best known books, King Solomon's Ring and On Aggression , were written for a popular au...

Cell membrane

... proteins are important for the regulation of cell behavior and the organization of cells in tissues. In animal cells, the cell membrane establishes this separation alone, whereas in yeast, bacteria and plants an additional cell wall forms the outermost boundary, providing primarily mechanical support. T...

Flagellum

...be homologous on the basis of gross morphology and behavior (Cavalier-Smith, 1987). Both flagella consist of filaments extending outside of the cell, and rotate to propel the cell. However, discoveries in the 1990s have revealed numerous detailed differences between the archaeal and bacterial flagella; these...

Evolution

...he earliest history of life generally focus on the behavior of macromolecules , particularly RNA , and the behavior of complex systems . Though the origins of life are murky, other milestones in the evolutionary hi...

Equilibrium

... addiction is any of various forms of unbalanced behavior . In electricity , a balanced signal is also called a differential signal . Further reading Mechanical equilibrium: Marion & Thornton, Classical Dynamics of Particles and Systems. Fourth Edition, Harcourt Brace & Company (19...

Ethyl alcohol

...ber 64-17-5 UN number 1170 Phase behavior Melting point 158.8 K (-114.3 C , -173.83 F ) Boiling point 351.5 K (78.4C, 173.03F) Triple point 159 K (-114C, -173.47F) Critical point 514 K (241C, 465.53F) 63 bar Δ fus H 4.9 kJ/mol &De...

Diffusion

...al depth and a very short mean free path , their behavior is dominated by scattering and the path of any g... photon's path is effectively a random walk . The behavior of a large ensemble of photons in this situation can be described with a diffusion equation. ...

Bioinformatics

...utational models of populations and watching their behavior over time. The field of genetic algorithms might be described as the rough inverse of CEB --- rather than investigating evolution through computer programs, it aims to improve computer programs through evolutionary principles. Gene expression ...

Chromatography

...thod that exploits the differences in partitioning behavior between a mobile phase and a stationary phase to separate the components in a mixture. Components of a mixture may be interacting with the stationary phase based on charge, relative solubility or adsorption. There are two theories of chromatograp...

Chromosome

...ed by Karl Wilhelm von Ngeli in 1842 and their behavior later described in detail by Walther Flemming in 1882 . In 1910 , Thomas Hunt Morgan proved that chromosomes are the carriers of genes. Contents showTocToggle("show","hide") 1 Chromosomes in eukaryotes 2 Chromosomes in bacteria ...

Brain

...e brain controls and coordinates most movement , behavior and homeostatic body functions such as heartbea...cal perspective. Psychology seeks to understand behavior and the brain. The terms neurology and psychiatry usually refer to medical applications of neur...

Biomechanics

...ressure on the mechanics of the arterial wall, the behavior of cardiomyocytes within a heart with a cardiac in...and bones . An understanding of the physiological behavior of living tissues would allow researchers to advance the field of tissue engineering, as well as dev...

Bioinformatics

...utational models of populations and watching their behavior over time. The field of genetic algorithms might be described as the rough inverse of CEB --- rather than investigating evolution through computer programs, it aims to improve computer programs through evolutionary principles. Gene expression ...

Biology

... parent and offspring. Ethology considers group behavior of more than one individual. Population genetics ...ts an astonishing wide diversity in morphology , behavior and life histories . In order to grapple with this diversity, biologists attempt to classify all ...

Artificial life

...a." He defined an "automata" as any machine whose behavior proceeded logically from step to step by combining...fe is the study of artificial systems that exhibit behavior characteristic of natural living systems. It is the quest to explain life in any of its possible ma...

Amino acid

...egulatory mechanism, changing the conformation and behavior of the polypeptide in acidic regions such as the late endosome or lysosome . I Ile Isoleucine hydrophobic 131.17 6.05 2.32 9.76 K Lys Lysine basic 146.19 9.60 2.16 9.06 10.54 L Leu Leucine...
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(Date:1/8/2009)...in Spanish . , Anti-inflammatory drugs aff...s, but also those that do not. This is why it is i...gs which affect healthy cells. With this aim in mi...ry is working on analogues of the C1P molecule. ,...ical drugs are available: steroids and those known...
(Date:1/8/2009)...in Spanish . , Sludge obtained from water p...r soils, for example or to reduce their acidity. T...ry (UPV/EHU) PhD research thesis was to study the ...dora de Aguas Residuales - Waste Water Purificatio...f the soil and on the water filtering through it ...
(Date:1/7/2009)...uary 7 WCC Smart Search & Matc...h and match software, today,announced that Tarvin...t of,Sales for the ID market. , Mr. Sembhi...anagement,industry. He was most recently Presiden...ble for strategic product development, corporate b...
(Date:1/7/2009)...ranslates a cell,s DNA code into the proteins of l... , Johns Hopkins researchers, reporting this wee... step" during which the suite of translational too...er making them, and definitively responds by hitti...out, the Johns Hopkins researchers say, that the r...
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