PPT-Mass Extinction

ASTR 1420 Lecture 9 Sections 46 64 113 Mass Extinctions in the Earth History Mass Extinctions Check httpenwikipediaorgwikiImpactevent httpenwikipediaorgwikiMassextinction. The Sixth Mass Extinction. Essential Questions. What is extinction?. Which species have become extinct in modern times? . What are the characteristics of past mass extinctions? . How do modern extinction rates compare with natural (background) rates?. Objectives:. Define the terms . extinction. , . extirpation. and . mass extinction. .. Contrast background extinction rates and periods of mass extinction.. Evaluate the primary causes of biodiversity loss.. Modern Extinctions. In the tropical Pacific, 154 species, mostly birds of large size, those that nested on the ground, and those that were flightless were the first casualties (Boyer 2008, 2009). In . Steve Ward, MA, BCBA. Whole Child Consulting, LLC. www.wholechildconsulting.com. http://. www.facebook.com. /. wholechildconsulting. Escape behavior is a problem. Escape/avoidance is the most common function of SIB (38.1%) (Iwata, et al, 1994). Topic 2.0 Organizer. . Jose M. Garcia-Oliver. Subtopic 2.3 Coordinators. . Michele Bolla, ETH. Dan Haworth, PSU. Scott Skeen, Sandia. Subtopic 2.3 Contributors. . Experimental. . IFP Energy . nouvelles. Peter Berck. Professor University of California, Berkeley. Visiting Professor, Ume. å Universitet. Marine Resource Destruction. We take it as given that policy should avoid causing very low populations of marine organisms.. Outline . Effects of Extinction Procedures. Decreased responding. Increased variability in responding. Extinction of Original Learning. Spontaneous Recovery. Renewal of Original Excitatory Conditioning. Essential Questions. What is extinction?. Which species have become extinct in modern times? . What are the characteristics of past mass extinctions? . How do modern extinction rates compare with natural (background) rates?. Inclusive Education & Community Partnership. Kristin Hoefflin, MFT, BCBA. March 5, . 2014. Activity. How are Behaviors Established? . Behaviors serve a purpose (or function). When behaviors are reinforced, they increase. Pedro J Marenco. Bryn Mawr College Department of Geology. End . Cretaceous . Mass Extinction. End Permian Mass Extinction. The Big 5 Mass Extinctions. (modified from . Alroy. , 2010). End Permian. End Triassic. . Large . Interstellar Polarisation . Survey. Stefano . Bagnulo. , Nikolai . Voshchinnikov. , Nick Cox (PI). Dust extinction, emission & . polarisation. . in the diffuse ISM. Simultaneously . model :. Background vs. Mass Extinction. Background extinction. = species gradually and continuously go extinct, creating a turnover of species through time.. Background extinction and mass extinction. 0. 600. . . . Species. . A. . group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. .. Speciation. . It.  is the . evolutionary.  process by which populations evolve to become distinct . Matthew Jones. Purdue University. ICHEP 2020. 1. July 29, 2020. Mu2e Conversion: Physics Motivation. Charged lepton flavor violation is . allowed. in the standard model and in many models of new physics.