Pleistocene Study guides, Class notes & Summaries

What is extinction? correct answer: The loss or death of a species What is mass extinction? correct answer: A decline in biodiversity greater than the background extinction rate What is background extinction? correct answer: Background extinction occurs when certain populations are reduced to zero because of normal environment change, emerging disease, predation pressure, or competition with another species How are mass extinctions detected and how many have been detected? correct an...

When was the major migration out of Africa? -60ka -modern humans replaced the Neanderthals and robust hominids across the world When did modern humans evolve? 200,000 years ago modern Homo sapien derived characteristics: -small, flat face with portruding chin -rounded skull -cranial capacity of at least 1,350cc -less robust post-cranial skeleton -relatively long limbs and shorter trunks why was the modern human less robust? -relied more on elaborate tools and techno...

EAPS 112 Earth History - Purdue University. LAB 13 Pleistocene glaciations EAPS 112 Fall 2022. Q&A LAB 13 (Exercise 19 of the Lab Manual) – Pleistocene Glaciation • To be able to recognize and in terpret landforms associated with continental and valley glaciation Source Acknowledgments: National Snow and Ice Data Center,

Pleistocene Overkill Hypothesis - States that humans were primarily responsible for the demise of the megafauna at the close of the Pleistocene, approximately 10,000 years ago, from overhunting as human populations expanded at that time. Market Hunting Era (Era of Exploitation) - : Myth of superabundance; dark time for wildlife, new Americans claimed the right and duty to tame the land, loss of Passenger pigeons and Carolina parakeet. Era of Game Management () (conservation era) - Protecti...

The endosymbiosis theory argues that a ____ relationship was established between two cells. correct answers mutualistic The endosymbiosis theory argues that small prokaryotic cells were engulfed by ____. correct answers larger prokaryotic cells The first hominids appeared at the end of the ____. correct answers Tertiary The first fungi evolved in the ____. correct answers Ordovician Francisco Redi did an experiment to show that meat did not produce maggots by the process of ____. cor...

UCLA ANTHRO 1 FINAL EXAM / 60+ QUESTIONS AND CORRECT ANSWERS 2024/2025 GRADED A+. 2 / 6 1. When was the major migration out of Africa?: -60ka -modern humans replaced the Neanderthals and robust hominids across the world 2. When did modern humans evolve?: 200,000 years ago 3. modern Homo sapien derived characteristics:: -small, flat face with portrudingchin -rounded skull -cranial capacity of at least 1,350cc -less robust post-cranial skeleton -relatively long limbs and shorter trunks ...

ESRM 150 Exam 1 question and answers graded A+ 2023 latest updatewildlife - correct answer any animals living in a wild state (non-domesticated animals) Theories of Historic Extinctions (~80% of flora and fauna died) - correct answer Pleistocene Overkill Climate Change Historical Overexploitation - correct answer Ex: Hunting Passenger Pigeons to feed slaves Lacey Act - correct answer 1-900: Protects plants and wildlife prohibits trade in wildlife, fish and plants still in effect S...

Multicellularity might have evolved from coloniality. correct answers true Some of Pasteur's sterile water flasks are still on display today. correct answers True Both mitochondria and chloroplasts have two membranes. correct answers true Protenoid spheres could have evolved via correct answers self assembly Conifers evolved in the correct answers Permian The ___ is the period of the first vascular plants. correct answers silurian Most scientists think the earth is ___ years o...

Paleocene - ️️An epoch of the Paleogene period, 65.5 to 55.8 MYA where Order Sirenia emerged from Tethytheria Eocene - ️️An epoch of the Paleogene period, 55.8 to 33.9 MYA where Pezosiren portelli and the first Mediterranean Tethys- Paratethys ancestors of sirenians emerged; much warmer climate than today Oligocene - ️️An epoch of the Paleogene period, 33.9 to 23 MYA where Family Trichechidae, Subfamily Miosireninae, Trichechinae, and Digonginae were thought to emerge, Halither...

WIS2552 Exam 1 Questions and Answers – Latest 2023/2024 (Verified Answers) 100% Correct First fungi evolved in ordovician conifers evolved in permian chloroplasts are found only in kingdom plantae false oparin did experiments in chemical evolution dna in the nuclei in eukaryotic cells is complexed with proteins pasteur bent necks of glass flasks to prevent from reaching water bacteria stanley milller combined methane and in water ammonia endosymbiosis theory argues a relationsh...