M_Nvariable environment aerobic respiration is the release of energy withoxygenin an environment three factors that are creatingwater and carbondioxide as productsEquationconcentration of oxygenOF RESP Ratioalwayschangingare temperature Colt Oot 60 6coat6h20 This stands forglucose oxygen carbon dioxide waterit is crucial that marine organisms Anaerobic respiration is the release of energy withouthave the ability to adapt if any of oxygenpresent Marineorganisms usually do this typethesethreefactors change of respiration when there is a low oxygenconcentrationsurface area us volume ratio is calculated by surface area volume As the size of the organismincreases the surface area decreases incomparisonto the volume small organisms tend to have a largersurface area than volume Largerorganisms have largervolumes than surfacearea Diffusion is movingparticlesfroma higherconcentration to a lower concentration Diffusion in small organisms is a quick and sufficientprocess However in largeorganisms diffusion is too slow In order for diffusion to work organisms flattenthemselves to increasetheirsurface area or they use specializedexchangesurfacessuchas lungsor gillsDiffusion is affected by several factors such as Highconcentration Lowconcentrationtemperature highertemp particlesmovefaster fastdiffusionconcentrationgradient higherdifference inconcentration fosterdistancemoved distancemustbeassmallaspossible fosterdiffusionsurface area of exchangedsurface HighsathighdiffusionrateRam ventilation is the ventilation of gillsby OSMOSISswimming with the mouth open so that as thefishswims their is water constantlypassinggills osmosisis themovementof water from a highwater potentialto a low water potential acrossaPumpedventilationis ventilating the gills byusing membrane The more solute salt that is dissolvedthe muscles in their mouth and the operculumThis in the solution salt water the lower the water potypeof ventilationrequiresenergy unlike ramOsmoregulators are marine organismswho have adifferent water and ion content inside theirbodiescomparedto theenvironmentsurroundingthemOsmoconformers are organisms that have thesame internal water and ioncontentas there is inthe environmentsurroundingthem Most osmoconformers tend to be stenohaline invertebratesStenohaline means organisms that are able totolerate a small rangeof salinities On the otherhand euryhaline are organisms that are able totolerate a largerange ofsalinities thereforethey have more flexible options of where theycouldpossibly live