Brain and Behavior Pt.1
Brain and Behavior Pt.1 PSY:2701:0AAA
Popular in Biological Psychology
Popular in Psychlogy
This 3 page Class Notes was uploaded by Tayler Osborn on Friday February 27, 2015. The Class Notes belongs to PSY:2701:0AAA at University of Iowa taught by Mark Blumberg in Spring2015. Since its upload, it has received 98 views. For similar materials see Biological Psychology in Psychlogy at University of Iowa.
Reviews for Brain and Behavior Pt.1
Loved these! I'm a horrible notetaker so I'll be your #1 fan in this class
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 02/27/15
Brain and Behavior Species Variation Initially thought that species were created separately 0 Naturalist l students of animal life amp structure Observed similarities in ALL mammals in bone structure ie whale feet If species were created for different lifestyles originally why are they all modi cations of a single plan Evolution C ONTD Evolution seems possible but it lacked a mechanism 0 Darwin and Wallace Evolution by Natural Selection 0 Wallace 0 Random idea while struck with fever 0 Darwin 0 Studied Galapagos Islands39 Finches Differed in body sizebeaks Speci c to diet 0 Hypothesized that they had all diverged from a single ancestor Darwin published 0n the Origin of Species by Means of Natural Selection 0 3Ideas Principal of Variation 0 Individuals within a species vary in physiology and behavior Principal of Heredity Variation is heritable so that offspring resemble their parents Principal of Natural Selection 0 Different variations leave individual immediately or in remote generations 0 1 Inference Individual variations will affect probability of survival and who will produce offspring Those with adaptations will predominate population and these interspecies continual adapting will make substantial changes 0 Later added a fourth Idea Sexual Selection 0 The struggle for reproductive advantage 0 Malemale competition 0 Female selection Con vergen ce Convergent Evolution 0 When environmental factors cause similar behavioralstructural changes in species with different origins Homoplasy Result of Convergent Evolution 0 Resemblance of features based on environment Homology Resemblance of structure based on similar ancestry Analogy Similar function different look 0 Le Elephant trunk and Human hand Gaps in Darwin 5 Theory No source of variation by Natural Selection 0 No mechanism of biological inheritance o Gap closed by Mendel and DeVries Mendel Used pea plants to discover genetics 0 Genetics lstudy of the mechanics of inheritance DeVries Discovered that a new variation would arise randomly to pass characteristics on o Called Mutation Mutation D change in a gene because of unusual replication Species Classi cation Limaeus o Produced class system used today Each species gets 2 names Genus D Homo Species D Sapien Order of Categories 0 Kingdom Phylum Class Family Genus 0 Species Categories grouped by phylogeny o Phylogeny D evolutionary history of a group of organisms Represented by quotFamily Treesquot OOOO Taxonomy 0 The eld of the classi cation of species FUnFacT humans and chimps are more closely related than either one is to gorillas Why is this lmportant Helped to develop knowledge of evolution 0 We see evolution as quotmultibranchingquot rather than on a scale of simple to complex Studying species39 evolution shows us the natural solutions to obstacles of survival Uncovered the quotlearning adaptationquot o Evolved from learning to nd food to complex social structures Strategies used to obtain food correlated with brain size amp proportion
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'