PPT-Lecture 20: Extinction

Pavlovian amp Instrumental Learning Psychology 3510 Fall 2016 Professor Delamater Extinction Procedure amp Process The extinction procedure refers to the removal of reward when it previously occurred. Species Richness and the Extinction Crisis. How many species are there?. Species richness . – the total number of species in an area.. 5-10 million is best guess, but may be anywhere from 3-100 million.. ASTR 1420. Lecture. 9. Sections : 4.6, 6.4, 11.3. Mass Extinctions in the Earth History. Mass Extinctions. Check . http://en.wikipedia.org/wiki/Impact_event. http://en.wikipedia.org/wiki/Mass_extinction. 9. Fragmented . landscapes. Landscape. . ecology. Agroecology. Macropterous Carabidae. Brachypterous Carabidae. Dimorphic Carabidae. Fragmented landscapes. Idiosyncratic species. Idiosyncratic species. 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?. The sixth . m. ass . e. xtinction. Objectives. Define . extinction.. Give examples of (1) past mass extinctions (2) and recent species . extinctions.. Compare current extinction rates with background extinction . EXTINCT is FOREVER!!. Non-human causes of extinction:. Volcanic events. Ocean temperature change. Sea level changes. Meteorites. Glaciations. Global climate change. Competition/predation. Human causes of extinction/loss of biodiversity - HIPPO. 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.. The rise and fall of biodiversity. Four major mass extinctions of marine organisms:. End of Silurian Devonian, Permian, and Cretaceous). Rise in diversity during Cambrian, Silurian, Cretaceous, and Paleogene. ASTR 1420. Lecture . 9. Sections : 4.6, 6.4, 11.3. Mass Extinctions in the Earth History. Mass extinction . (a.k.a. extinction event) : is a sharp decrease in the number of species in a relatively short period of time.. 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.. 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. . . . 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 . Good progress:. Define the term extinction. Explain how extinction may be caused.. Outstanding progress:. Explain that organisms become extinct because something changes and the species cannot adapt quickly enough to the new circumstances.. 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.