AGRC1020 Lecture Notes - Lecture 12: Fixed Action Pattern, Nikolaas Tinbergen, Circadian Clock
6 Aug 2018
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Male crab fiddler crabs are highly unsymmetrical: one claw joins in giant proportions, up to half the mass of the entire body. The word fiddler comes form the fact that it mainly feeds on algae and form its mudflats. The big claw waving is due to two different reasons: waving the claw could be used as a weapon which helps the other male crabs to repel from their burrow. 2) vigorous claw waving also helps him attract females who wonder through the crab colony. Animal behavior whether is be solitary, social, fixed and variable is based on psychological systems and processes. An individual behavior is an action carried out by muscles under control of the nervous system. Behaviour is an essential part of acquiring nutrients and finding a partner for sexual reproduction (natural and sexual selection) Behaviour also contributes to homeostasis (the steady state of the psychological condition of the body) Concept 51. 1 discrete sensory inputs can stimulate both simple.
