QUESTION 19 True or false: All skeletal remains are fossils. 1. True O2. False QUESTION 20 The Geologic time scale (GTS) is a framework for understanding what? O 1. Cross cutting relationships 2. Eons, era, periods and epochs 3. Global positioning systems 4. Time per ride on the Matterhorn at Disneyland 5. Biological clocks Click Save and Submit to save and submit. Click Save All Answers to save all ansic

QUESTION 19 True or false: All skeletal remains are fossils. 1. True O2. False QUESTION 20 The Geologic time scale (GTS) is a framework for understanding what? O 1. Cross cutting relationships 2. Eons, era, periods and epochs 3. Global positioning systems 4. Time per ride on the Matterhorn at Disneyland 5. Biological clocks Click Save and Submit to save and submit. Click Save All Answers to save all ansic

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter16: Evidence Of Evolution

Section: Chapter Questions

Problem 8SQ

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1. Fossils are remains of ancient organisms found in the rocks are categorized depending on their age. How do researchers determine the fossil’s actual age? a. absolute dating b. relative dating c. structural dating d. precise age datin 2.
Earth is about 4.5 billion years old. In order to characterize the events that happened in this very long time scale, scientists have developed the geologic time scale. Here, the age of Earth is divided into (1), which in turn divided into (2), and are further subdivided into (3). The geologic time scale is so-called since the different subdivisions are based on the fossil record.
TRUE OR FALSE 1. The fossil record provides a sweeping overview of the history of life over geologic record 2. A change in the regulation of a developmental gene may have fewer harmful side effects than a change to the sequence of the gene. 3. Synapsids possess an opening known as the occipital fenestra behind the eye socket 4. In some very late cynodont the articular and quadrate bones migrated into the ear region, where they functioned in transmitting sound 5. Fossils contain isotopes of molecules that accumulated in the organisms when they were alive.
48. Homo erectus was present approximately 4.5 – 1.0 million years before present. 2.5 – 1.8 million years before present. 1.8 mybp – 400,000 years before present. 125,000 – 25,000 years before present. 250,000 years before present – the present.
need a good answer.with explanation.Thanks 1- Which of the following species appeared earliest in the fossil record? Choices ( Homo neanderthalensis, Homo erectus, Homo sapiens, Australopithecus afarensis)
13: Which of the following are things we would find at an archaeological site that indicate Lower Paleolithic stone tool production? (Choose all that apply) Group of answer choices A[]: hammerstones B:[]: chisels C[]: Acheulian handaxes D[]: grinding stones E[]: Flakes with bulbs and rings of percussion F[]: copper billets
Not all bones are suitable for bioarchaeological analyses, rendering age and sex estimations impossible. What factors might influence whether human remains are suitable for bioarchaeological study? Detail at least TWO reasons that might render human bones unsuitable for study: answer in complete sentences. (2 pts).
Carbon-14 dating works for fossils up to about 75,000 years old;fossils older than that contain too little 14C to be detected. Mostdinosaurs went extinct 65.5 million years ago. (a) Can 14C be usedto date dinosaur bones? Explain. (b) Radioactive uranium-235 hasa half-life of 704 million years. If it was incorporated into dinosaurbones, could it be used to date the dinosaur fossils? Explain
Which statements are false? Select all that apply. Select one or more: a. The fossil record is biased towards terrestrial organisms b. Only hard tissues like bones and teeth can fossilize c. The fossil record is unbiased d. Extinction rate in the fossil record has remained constant over the last 400 million years
The researchers found that the Neanderthal fossil had approximately0.0078 as much 14C as found originally in the atmosphere. (a) Usingthe numbers on your graph, determine how many half-lives havepassed since the Neanderthal died. (b) Using your 14C calibration onthe x-axis, what is the approximate age of the Neanderthal fossil inyears (round off to the nearest thousand)? (c) Approximately whendid Neanderthals become extinct according to this study? (d) Theresearchers cite evidence that modern humans (H. sapiens) becameestablished in the same region as the last Neanderthals approximately 39,000–42,000 years ago. What does this suggest aboutthe overlap of Neanderthals and modern humans?
Do you think that H. naledi and H. neanderthalensis were deliberately burying their dead? Why or why not? Be sure to discuss both Archaic Humans and to mention specific examples from the assigned reading and video. However, be sure to write in your own words – do not cite from the text/video. Be as specific as possible and defend your answer. Claims that Homo naledi buried their dead could alter our understanding of human evolution:https://www.nhm.ac.uk/discover/news/2023/june/claims-homo-naledi-buried-their-dead-alterour-understanding-human-evolution.html. Could Neanderthals Use Symbolism?:https://www.pbs.org/video/what-if-neandertals-buried-their-dead-9zrsdj/
Apply Your Paleoanthropological Knowledge!! On each of the preceding pages, you were presented with photos of unidentified bones and objects and asked: Structure your responses as outlined below. Stone tool or rock?. Explain why with specificity.