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This Concept Map, created with IHMC CmapTools, has information related to: Tinbergen's 4 questions overview, Tinbergen's 4 questions are 2. Mechanisms of Control, Blue Banded Goby Fish can easily change gender increasing Reproduction, Factors affecting BH Gull egg removal include External: Predators, What internal and external factors cause a behavior to occur? (can be addressed at different levels of organization) for example Factors affecting BH Gull egg removal, How does the population change genetically over subsequent generations (or how does a new species arise from an ancestral species) for example BHG: Where on the evolutionary "shrub of life" do we find ancestral species that do not remove egg shells from nests?, How does the population change genetically over subsequent generations (or how does a new species arise from an ancestral species) for example BBG: Where on the evolutionary "shrub of life" do we find an ancestral species that does not sex-change?, What internal and external factors cause a behavior to occur? (can be addressed at different levels of organization) for example Blue Banded Goby gender change, 2. Mechanisms of Control which asks What internal and external factors cause a behavior to occur? (can be addressed at different levels of organization), How does the behaviour change over the lifetime of the individual? (due to genetic and/or social influences) for example BH Gull egg removal: Failed broods leads to parents increasing the distance of eggs removed from the nest in future broods, What is the behaviour for? (survival and reproductive value) for example Blue Banded Goby Fish can easily change gender, Tinbergen's 4 questions are 1. Adaptive Function / "Current Utility", How does the behaviour change over the lifetime of the individual? (due to genetic and/or social influences) for example BB Goby: Kent's poulation: gender change from small female to larger male (when no males present initially), Tinbergen's 4 questions are 4. Evolution (not just through Natural Selection but also through Genetic Drift), Black headed gull removes shells from nest (Fig. 3; Wyatt) decreasing Nest predation, How does the population change genetically over subsequent generations (or how does a new species arise from an ancestral species) often through "ex-aptation" ("co-opting an existing trait & modifying it for a new purpose), What is the behaviour for? (survival and reproductive value) for example Black headed gull removes shells from nest (Fig. 3; Wyatt), Blue Banded Goby gender change include External: Sex ratio of school, 4. Evolution (not just through Natural Selection but also through Genetic Drift) which asks How does the population change genetically over subsequent generations (or how does a new species arise from an ancestral species), Tinbergen's 4 questions are 3. Development "Ontogeny" of behavior, 1. Adaptive Function / "Current Utility" which asks What is the behaviour for? (survival and reproductive value)