Intra-arterial pressure

... and be evaluated by pupil reactions to light. Increase in the intra-cranial pressure can also be seen in the eye and so forth. Generally, though, it is quite limited what ...

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... control mechanisms such as pH, ionic conditions, membrane voltage, and intracellular second messengers. Identification and engineering, using guidance ... of Central Florida has investigated adaptability of teams under time pressure and high workload, and is currently using a military-based task ...

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... Ultrastructural effects of salinity in higher plants; H.-W. Koyro. 8. Intra- and inter-cellular compartmentation of ions - a study in specificity ... G.R. Cramer. 11. Salinity and nitrogen nutrition; W.R. Ullrich. 12. Pressure probe measurements of the driving forces for water transport in ...

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David, to me it sounds like the things you are calling "natural pressure" are just the factors that determine natural selection. You talk about inter and intra specific competition, niche specialization, habitat range (area available), population ...

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