Air and Water: The Biology and Physics of Life's Media
The book begins with a brief, accessible review of the basic concepts of physics and then applies these tools to describe the properties of air and water, among them being density, viscosity, electrical resistivity, and diffusivity. In each case the property under discussion is examined in a biological context: Why can sperm whales act like hot air balloons when terrestrial animals cannot? Why are trees taller than kelps?
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The Fluid Environment
Weight Pressure and Fluid Dynamics
How Fluid is the Fluid?
Random Walks in Air and Water
The Many Guises of Reynolds
Body Temperatures in Air and Water
Listening to the Environment
7 The Doppler Shift
Light in Air and Water
the Energy of the Interface
Drying Out and Keeping Cool
A Thought at the End
Electrical Resistivity and the Sixth Sense
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acceleration acoustic air and water angle animals aquatic organisms assume atmosphere attenuation average bacterium birds body temperature boundary layer bubble buoyancy calculate capillary waves carbon dioxide celerity chapter column concentration Consider constant decreases detect diameter difference diffusion coefficient direction displacement distance drag drag coefficient ears effective electrical field equal equation evaporation example explore fish flagellum flow fluid force frequency fresh water given gradient gravity heat hull speed increases insects instance kinetic energy length lens light mass measure medium metabolic rate molecules motion move Note object oxygen particles plants pores potential energy pressure problem radius ratio refractive index relative resistance result Reynolds number scattered seawater shown in figure solid speed of sound sphere spherical substratum surface tension surface waves surrounding swim bladder terminal velocity terrestrial animals terrestrial organisms transport tube turbulent vertical viscosity volume water molecules water striders water vapor wavelength weight