BIO 3176 Lecture Notes - Lecture 16: Ideal Free Distribution, Epaulette

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Animals adjusting their choice and use of habitat depending on "source" Those that spread did better --> better fitness. Example - male chimpanzees that patrol the edge of their territory. Those not in their group --> will understand where their territory is. Usually males will do territoriality --> usually males wanting to impress the females. Eg the yarrow"s spiny lizard and their rock. Testosterone responsible for many aggressive and territorial behaviours. In control --> just patrol the area and set up for the day. In implant --> kept on high alert and patrolling etc. Implant and food supplement --> extra food offsets energy costs --> more survived. Pseudoscorpian invertebrates that live on the long horned beetles. Beetles are borers --> eat dead tree tissue and lay eggs there. Territoriality in their microsociety and access to females. Only happens on beetle back and not on the tree. Costs of patrolling on tree --> big place to patrol.

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