BIOLOGY:LIFE ON EARTH-W/ACCESS
11th Edition
ISBN: 9780134669076
Author: Audesirk
Publisher: PEARSON
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Chapter 18, Problem 5MC
Summary Introduction
Introduction:
Hominins are mammals, which include humans and extinct species of hominins, and it belongs to the Cenozoic era. Mammals evolved from reptiles and one group of mammals evolved to become primates, which is the ancestor of apes and humans. The early hominins called australopithecines walked erect with large brains and were familiar with primitive tools.
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What ARE possible explanations for how these individuals got into the cave?
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The Homo naledi individuals went into the cave to hunt animals
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The bodies were deliberately disposed in the cave by other Homo naledi individuals or other hominins
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There was a massacre
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The Homo naledi individuals lived in the cave and died there
The first hominid to migrate extensively to Europe and Asia wasa. Homo sapiens.b. Homo heidelbergensis.c. Homo neanderthalensis.d. Homo erectus
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A cave painting of stars at night
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A cave painting of a rhino
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Chapter 18 Solutions
BIOLOGY:LIFE ON EARTH-W/ACCESS
Ch. 18 - 1. Almost all of the oxygen gas in today’s...Ch. 18 - Extinction a. generally does not occur except...Ch. 18 - 3. In the endosymbiotic origin of the...Ch. 18 - 4. Which of the following does not list...Ch. 18 - Prob. 5MCCh. 18 - 1. Because there was no oxygen in the earliest...Ch. 18 - 2. The molecule ________ became a candidate for...Ch. 18 - 3. Complex cells that contain a nucleus and other...Ch. 18 - 4. The sperm of early land plants had to reach the...Ch. 18 - 5. Early plants that protected their seeds within...
Ch. 18 - Prob. 6FTBCh. 18 - Amphibians gave rise to ____________, which had...Ch. 18 - 1. What is the evidence that life might have...Ch. 18 - Prob. 2RQCh. 18 - 3. Explain the endosymbiont hypothesis for the...Ch. 18 - 4. Name two advantages of multicellularity for...Ch. 18 - What advantages and disadvantages would...Ch. 18 - 6. Outline the major adaptations that emerged...Ch. 18 - Outline the evolution of humans from early...Ch. 18 - Extinctions have occurred throughout the history...Ch. 18 - In biological terms, what do you think was the...
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- Which conditions would NOT lead to good preservation of a dead hominin skeleton? Group of answer choices A: Dying in a very dry dessert B: Dying in the marsh alongside a lake C: Dying in an open grassland that is seasonally dry or wet. D: Dying in a cavearrow_forwardWhich of following is a change that accompanied the increase in brain size as hominids evolved? a smaller feet b the ability to see long distances in areas with tall grasses c the ability to walk greater distances d a prolonged period of time until maturityarrow_forwardHow does the amount of Neanderthal DNA in modern humans vary geographically? a. Individuals of European descent have the most Neanderthal DNA. b. The amount of Neanderthal DNA in modern humans is consistent across all populations. c. Individuals of African descent have the most Neanderthal DNA. d. Individuals of East Asian descent have the most Neanderthal DNA.arrow_forward
- What kind of tools did Lucy and other Australopithecines most likely use? A. An advanced stone tool like the Acheulean hand axe B. Wheelbarrows C. A bow and arrow D. A crude stone tool like the Oldowan Chopperarrow_forwardScientists find an artifact next to an index fossil. What can they conclude about the unknown age of the artifact? a The artifact is older than the index fossil. b The artifact is younger than the index fossil. c The artifact is approximately the same age as the index fossil. d The artifact's age is not related to that of the index fossil.arrow_forwardWhile listening to a hominin evolution podcast, the narrator mentions that the overall similarity of Homo erectus fossils from Africa, Asia, and Europe, and through time represents evolutionary statis. What evidence is there that this is not the case? A. The size of the teeth and jaws increased from earlier to later forms. B. There was an overall increase in cranial robusticity from earlier to later forms. C. The thickness of the cranial bone increased from earlier to later forms. D. Brain size increased by approximately 30% from earlier to later forms.arrow_forward
- What 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_forwardIf you found hominin fossils next to Oldowan tools, what species would you expect that the bones belong to?arrow_forwardWhich is true concerning how fossils are used as evidence? A. Fossils cannot be compared to one another but can be compared to living organisms. B. Fossils can be compared to one another but not to living organisms. C. Fossils cannot be compared to one another or to living organisms. D. Fossils can be compared to one another and to living organisms.arrow_forward
- What is the difference between the term hominid and hominin? Explain your answer.arrow_forwardWhy is it interesting that Homo luzonensis was found on an island? A. The islands only formed after Homo luzonensis became extinct, so Neanderthals must have put them on the island B. The islands were a few miles apart, and Homo luzonensis would have needed to either float by grabbing on a tree or make a raft C. The islands were a few miles apart, and Homo luzonensis clearly had to learn how to fly to get to them D. The islands were volcanoes when Homo luzonensis was alive, so it's unexpected that they were therearrow_forwardWhich statement is true concerning hominins and the archaeological record? a. There is a 10 million year time span of hominin evolution that lacks any record of stone tools. b. Stone tools appear before the earliest occurrence of the genus Homo and co-occur with early non-Homo hominins for over two million years. c. Modern humans are associated with the Lower and Middle Paleolithic. d. There are no stone tools in the record at any time when early hominins exist.arrow_forward
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