Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134168296
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
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?
A.
The Homo naledi individuals went into the cave to hunt animals
B.
The bodies were deliberately disposed in the cave by other Homo naledi individuals or other hominins
C.
There was a massacre
D.
The Homo naledi individuals lived in the cave and died there
According to " Denisovans: Decoding the Secrets of Our Mysterious Ancient Cousins”, what is potentially the first example of art in the world?
A.A cave painting of a rhino
B.A cave painting of stars at night
C.Handprints and footprints made by Denisovan children
D.A cave painting of other hominins
Which of the following is one of the main tendencies observed in early hominins, such as australopithecines?
A.
Decrease in the number of incisors
B.
Reduced canine size
C.
Increased facial prognathism
D.
Increased diastema
Chapter 18 Solutions
Biology: Life on Earth (11th Edition)
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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