BIOL1007 Lecture Notes - Lecture 19: Natural Selection, Railways Act 1921, Optimal Foraging Theory
14 Oct 2018
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Biol(cid:1005)(cid:1004)(cid:1004)7 le(cid:272)ture (cid:1005)9 : i(cid:374)dividuals, (cid:271)ehaviour a(cid:374)d e(cid:374)viro(cid:374)(cid:373)e(cid:374)t. L01: understand links between morphology, physiology and behaviour. Coping mechanism = (1) morphology + (2) physiology + (3) behaviour. Behaviour = part of how organisms respond to the biotic & abiotic environment. L02: appreciate ecological & evolutionary significance of behaviour. Is a link between individuals & their environment: affects demographics (population levels outcomes, affects interactions among species (community-level outcomes) Evolutionarily significant because it: has some genetic basis, affects fitness, can be selected. How do we know: observations: inter- and intra-specific comparisons, manipulative experiments that test hypotheses. L03: understand various behavioural strategies to obtain food, avoid being food and for reproduction. Obtain food: foraging strategies are linked with morphology & physiology, huge variety of foraging strategies, defined by, what they eat, how they get it, diet breadth. Involves: male-male competition (intrasexual selection, female choice (intersexual selection, results in non-random mating & non-random offspring.
