... seen in the different species, with many sites undergoing multiple changes. *Author for correspondence (e-mail: [email protected] ) 2 7 2001 © The Company of Biologists Limited 2001 2001 opsin visual pigment rod photoreceptor deep-sea fish spectral tuning evolution...

.... ( 1989 ). Disease associations. Chance, artefact, or susceptibility genes? Diabetes 38 , 947 –950. Dintenfass, L. ( 1981 ). Evolution of the concepts of hyperviscosity of blood in vascular disease. In Blood Viscosity in Heart Disease and Cancer (ed. L. Dintenfass and G. V. F. Seaman), pp. 28...

... water loss evolution. The subject of water balance has been central to insect physiology for over a century. The high surface area:volume ratio of insects and other terrestrial arthropods results in a relatively large area from which to lose a relatively small amount of water, leaving them...

... abbreviatus hearing ultrasound evolution. Auditory processing in ensiferan insects has been extensively studied from the perspective of both intraspecific acoustic communication ( Kalmring et al . 1997 ) and the detection of predators ( Hoy, 1992 ; Libersat and Hoy, 1991 ). The majority...