Evolution
4th Edition
ISBN: 9781605356051
Author: Douglas Futuyma, Mark Kirkpatrick
Publisher: SINAUER
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Chapter 21, Problem 3PDT
Summary Introduction
To provide: Evidence based on data from living and other sources that the first modern humans evolved in Africa.
Introduction: The first modern humans appeared in Africa about 200,000 years ago. They were the hominins that looked similar to the Homo sapiens. Various features were changed in Hominins to look similar to modern humans.
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According to mitochondrial DNA Homo neanderthalensis and modern Homo sapiens
diverged around____.
a. 600,000 years ago
b. 2.5 million years ago
c. 150.000 years ago
d. 35.000 years ago
true or false? fossils can tell us which organisms live in the past.
Explain how genetic data are consistent with the possibility that only male Neanderthals interbred with our ancestors.
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- Explain why the statement that a monkey is more evolved than a mouse is incorrect.arrow_forwardHumans and chimpanzees are sister species. Explain what thisstatement means.arrow_forwardSome genetic studies suggest that the most recent common ancestor of Homo sapiens that lived outside of Africa spread from Africa about 50,000years ago. Compare this date to the dates of the fossil record. Can both the genetic results and the dates ascribe to the fossils be correct? Justify.arrow_forward
- Some genetic studies suggest that the most recent common ancestor of Homo sapiens that lived outside of Africa spread from Africa about 50,000 years ago. Compare this date to the dates of the fossil record. Can both the genetic results and the dates ascribed to the fossils be correct? Explain and Justify.arrow_forwardHomo heidelbergensis is considered by many to be a transitional species between Homo ergaster and Homo neanderthalensis. Use the following two models to help you answer the questions below. a. Name one Homo ergaster trait observable in this fossil.b. Name one Homo neanderthalensis trait observable in this fossil.arrow_forwardWhat other reason besides continuing to use trees might explain why early hominins had partially opposable big toes?arrow_forward
- Explain why the statement “Humans evolved from monkeys” is incorrect.arrow_forwardWhen and where did Homo sapiens originate? Evaluate which hypothesis better supports the current evidence: the multi regional hypothesis (Also called regional continuity model) or the out of Africa hypothesis. (also called the replacement model).Support your answer with a discussion of the behavioral, fossil and genetic lines of evidence for the evolution of modern humans.arrow_forwardSome genetic studies suggest that the most recent common ancestor of Homo sapiens that lived outside of Africa spread from Africa about 50,000years ago. Compare this date to the dates of the fossil record. Can both the genetic results and the dates ascribe to the fossils be correct? Justify. PLEASE INDICATE A REFERENCEarrow_forward
- Using at least two examples, explain how the process of evolution is revealed by the imperfections of living organisms.arrow_forwardWhat two species did early Homo sapiens live with during the end of the Pleistocene? A. Sahelanthropus tchadensis and Denisovans B. Neanderthals and Ardipithecus ramidus C. Neanderthals and Australopithecines D. Neanderthals and Denisovansarrow_forwardAccording to the article, how do technological innovations and cultural developments differ from archaic humans and early hominins, such as Australopithecines? Article - https://humanorigins.si.edu/evidence/behavior/stone-tools/middle-stone-age-toolsarrow_forward
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