animal gradient

См. также в других словарях:

• gradient — [ gradjɑ̃ ] n. m. • 1876; du rad. du lat. gradus « degré », d apr. quotient I ♦ Sc. Taux de variation (d une grandeur physique) en fonction de la distance. 1 ♦ Météor., géogr. Gradient de température : variation de la température en fonction de l …   Encyclopédie Universelle

• animal — animalic /an euh mal ik/, animalian /an euh may lee euhn, mayl yeuhn/, adj. /an euh meuhl/, n. 1. any member of the kingdom Animalia, comprising multicellular organisms that have a well defined shape and usually limited growth, can move… …   Universalium

• Animal coloration — Chapman s Zebras in Botswana, displaying their outline disrupting camouflage Animal coloration has been a topic of interest and research in biology for well over a century. According to Charles Darwin s 1859 theory of natural selection,[1 …   Wikipedia

• Animal locomotion — In biomechanics, animal locomotion is the study of how animals move. Not all animals move, but locomotive ability is widespread throughout the animal kingdom. As all animals are heterotrophs, they must obtain food from their environment. Some… …   Wikipedia

• gradient — /ˈgreɪdiənt / (say graydeeuhnt) noun 1. the degree of inclination, or the rate of ascent or descent, in a railway, etc. 2. an inclined surface; grade; ramp. 3. Physics a. change in a variable quantity, as temperature or pressure, per unit… …  

• Wind gradient — In common usage, wind gradient, more specifically wind speed gradientcite book | last = Hadlock | first = Charles | title = Mathematical Modeling in the Environment | publisher = Mathematical Association of America | location = Washington | year …   Wikipedia

• VOL ANIMAL — Source constante d’admiration, le vol animal, et tout particulièrement celui des Oiseaux, a toujours nourri la réflexion philosophique, voire religieuse, de l’humanité et tient une place de choix dans les mythologies classiques comme dans le… …   Encyclopédie Universelle

• cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …   Universalium

• MORPHOGENÈSE ANIMALE — Le progrès des connaissances est largement tributaire des concepts ainsi que des techniques en usage à une époque donnée. L’embryologie, malgré quelques précurseurs solitaires, est restée longtemps soumise à une vision animiste et finaliste de la …   Encyclopédie Universelle

• Resting potential — The relatively static membrane potential of quiescent cells is called the resting membrane potential (or resting voltage), as opposed to the specific dynamic electrochemical phenomena called action potential and graded membrane potential. Apart… …   Wikipedia

• Membrane potential — Differences in concentration of ions on opposite sides of a cellular membrane lead to a voltage called the membrane potential. Many ions have a concentration gradient across the membrane, including potassium (K+), which is at a high inside and a… …   Wikipedia