Sensory Ecology

This is an essay question example answer from the Sensory Ecology (31132) module within the University of Bristols BSc Zoology. This answer was graded a 68 (high 2:1). The essay revolves around insects and their visual systems in relation to their natural environment, with the question; 'While studying two different species of butterfly, you discover that one possesses a homogeneous trichromatic visual system while the other is tetrachromatic, with extensive intraretinal variation and sexual ...