Essays about: "sexual signalling"

Found 2 essays containing the words sexual signalling.

  1. 1. Could musical mastery affect how attractive a person is rated as a prospective partner?

    University essay from Institutionen för psykologi

    Author : Johanna Björk; [2013]
    Keywords : Costly signals; handicap principle; music; evolutionary psychology; signalling; sexual signalling; female choice;

    Abstract : Evolutionary psychology explains and predicts human behaviour based on its adaptive value. Some apparently non-adaptive behaviours such as humans’ devotion to music can be explained by sexual selection of costly signals, since it takes time and effort to learn to play an instrument well. READ MORE

  3. 2. Eigen-birds : Exploring avian morphospace with image analytictools

    University essay from Institutionen för teknikvetenskaper

    Author : Mikael Thuné; [2012]
    Keywords : image analysis; eigen-birds; eigen; principal component analysis; pca; birds; avian; warping; biharmonic splines; affine transformation;

    Abstract : The plumage colour and patterns of birds have interested biologists for a long time.Why are some bird species all black while others have a multitude of colours? Does ithave anything to do with sexual selection, predator avoidance or social signalling?Many questions such as these have been asked and as many hypotheses about thefunctional role of the plumage have been formed. READ MORE