PPT-Mass Extinction

ASTR 1420 Lecture 9 Sections 46 64 113 Mass Extinctions in the Earth History Mass extinction aka extinction event is a sharp decrease in the number of species in a relatively short period of time. 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. The struggle for life on earth. Mass Extinction - Definition. A significant proportion of species become extinct (between 30% and 95%) . The extinctions operate across a wide range of environments and . Overview. Extinctions are as important in the history of life as are the evolution of new species. Explaining extinctions is just as challenging a scientific question as explaining the evolution of new species. AP Environmental Science. Mr. Grant. Lesson . 38. Objectives:. Define . the terms . extinction. , . extirpation. and . mass extinction. .. Contrast . background extinction rates and periods of mass 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.. (. Pavlovian. & Instrumental). Learning, Psychology 3510. Fall, 2016. Professor Delamater. Extinction: Procedure & Process. The extinction procedure refers to the removal of reward, when it previously occurred.. Opportunities and. Adaptive Radiations. Overview. Extinctions. Adaptive Radiations—New Niches. Stem mammals survived and experience adaptive radiation.. Evolution of birds, feathers, flight, and flightlessness.. 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. Outline . Effects of Extinction Procedures. Decreased responding. Increased variability in responding. Extinction of Original Learning. Spontaneous Recovery. Renewal of Original Excitatory Conditioning. Zebra Mussel . Species Introduction. “Introduced . species are species that have become able to survive and reproduce outside the habitat where they evolved or spread . naturally.” . -. United States Environmental Protection Agency. 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. . Large . Interstellar Polarisation . Survey. Stefano . Bagnulo. , Nikolai . Voshchinnikov. , Nick Cox (PI). Dust extinction, emission & . polarisation. . in the diffuse ISM. Simultaneously . model :. 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.