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Unformatted text preview: Density of seawater • 1.025- tropics • 1.029- cold seawater density of cytoplasm • 1.02-1.1 • add in structural material most organisms have tendency to sink • gas bladder o physolistous- connected to esophagus o physostomus Mobility Camo Advanced sensory systems Propulsion Need vel of the wave to be faster than forward seed of the fish Amplitude of the tail part to be bigger than that of the head part o Surface of resistance Frictional- surface area Highest surface area/ vol- sphere Form- cross sectional area Minimal- long and skinny Induced drag- size and speed • Ecological role of the nekton...
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- Spring '08
- 65 %, o Small, Produce organic matter, times Ocean Ecosystem, Advanced sensory systems