The simplistic predator-prey model dictates the only effect on prey numbers (by predation) is the direct level of predation which occurs i.e. the number of prey a predator consumes. However, prey can respond to the presence of predators in their vicinity by altering their morphological responses or their behaviour. This normally occurs as an attempt [...]
Extra pair paternity occurs when the female of a partner of a pair bonded couple engages in extra pair copulations (i.e. copulation with a male other than the bonded male) and as a result gives birth to offspring whose father is not the bonded male.
Darwinian fitness – The rate of increase of a gene in the population, this is difficult to measure. It describes the capability of an individual of certain genotype to reproduce, and usually is equal to the proportion of the individual’s genes in all the genes of the next generation. If differences in individual genotypes [...]
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