Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 22, Problem 6AWK
It is believed that humans evolved in Africa and then spread to all the other continents. If this is so, explain why the people of northern Europe do not have dark skin.
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Students have asked these similar questions
According to "The Complex Evolution of Homo sapiens", what happened to large animals in the areas where our species migrated?
A.They died out soon after we migrated into their area
B.We domesticated them soon after we migrated into their area
C.Nothing happened to large animals when we migrated into their territories
D.They increased in number soon after we migrated into their area
What is an example of neutral evolution in humans?
A.
Eye Color
B.
Skin Color
C.
Blood Types
D.
Humans do not have any traits that undergo neutral evolution
According to "The Complex Evolution of Homo sapiens", what happened to large animals in the areas where our species migrated?
A.Nothing happened to large animals when we migrated into their territories
B.They increased in number soon after we migrated into their area
C.They died out soon after we migrated into their area
D.We domesticated them soon after we migrated into their area
Chapter 22 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 22 - Do you think the skeletons of Liang Bua Cave...Ch. 22 - Is it important that we try to discover the...Ch. 22 - Describe the three key elements of evolution.Ch. 22 - Explain how a fossil is created.Ch. 22 - List some of the main sources of evidence for...Ch. 22 - Prob. 4CRCh. 22 - Prob. 5CRCh. 22 - Prob. 6CRCh. 22 - Explain how rising atmospheric concentrations of...Ch. 22 - List the features that make Hominidae different...
Ch. 22 -
9. Describe the origins of Homo sapiens.
Ch. 22 - Explain why racial differences may disappear...Ch. 22 - Prob. 1TYCh. 22 - Prob. 2TYCh. 22 - Prob. 3TYCh. 22 - Vestigial structures, homologous structures, and...Ch. 22 -
5. Which of the following statements about...Ch. 22 - Which of the following best describes evolutionary...Ch. 22 - Prob. 7TYCh. 22 - Genetic drift is most likely to affect: a. every...Ch. 22 -
9. Which of the following would be described as...Ch. 22 - Which of the following statements is true? a. Mass...Ch. 22 - In what order did events occur that led to life on...Ch. 22 - Prob. 12TYCh. 22 -
13. Which of the following statements about the...Ch. 22 - Prob. 14TYCh. 22 - Which of the following is not believed to be a...Ch. 22 - Prob. 1AWKCh. 22 - Prob. 2AWKCh. 22 - Critics of evolution often charge, correctly as it...Ch. 22 - Prob. 4AWKCh. 22 - Prob. 5AWKCh. 22 - It is believed that humans evolved in Africa and...Ch. 22 - Prob. 7AWKCh. 22 - Of all the great evolutionary advances of life on...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Why are humans so genetically similar within our species? A. Because humans evolved in multiple locations around the world at different times. B. Because humans evolved in one location (Africa) and we have existed as a species for very long time. C. Because humans evolved in one location (Africa) and we haven't existed as a species for very long. D. Humans are not very genetically similar to one another.arrow_forwardAccording to "Homo erectus – The First Humans”, why 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 volcanoes when Homo luzonensis was alive, so it's unexpected that they were there 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 a few miles apart, and Homo luzonensis would have needed to either float by grabbing on a tree or make a raftarrow_forwardAccording to "The Complex Evolution of Homo sapiens", what is the significance of the L3 gene and who was the L3 woman? A.Only individuals within North and South America descended from the L3 woman. B.All individuals within Africa are descended from the L3 woman. C.All individuals outside of Africa and who live in the Old World are descended from the L3 woman. D.All individuals outside of Africa are descended from the L3 womanarrow_forward
- ccording to "The Complex Evolution of Homo sapiens", what is the significance of the L3 gene and who was the L3 woman? A.All individuals outside of Africa and who live in the Old World are descended from the L3 woman. B.All individuals within Africa are descended from the L3 woman. C.Only individuals within North and South America descended from the L3 woman. D.All individuals outside of Africa are descended from the L3 woman.arrow_forwardResearch shows that Neandertals coexisted with at least three other species, including Homo sapiens. There are some humans today that have Neandertal and Denisovan genes. Generate a hypothesis about how their genes are also a part of our genes.arrow_forwardWhich factors were determined to directly cause the loss of skin pigmentation in humans as a result of natural selection? the impact of UV radiation on folate and Vitamin D levels in human populations the clothing worn by humans in the early 8th century the interaction of human populations with predators in colder climates a change in the diet of human populations as they settled in colder climatesarrow_forward
- Look carefully at the picture below and you will see an insect called a katydid. Katydids evolved from grasshoppers through natural selection. Use this to explain how could have this happened.arrow_forwardWhy was Jean Baptiste Lamarck wrong about the mechanism of evolution? A. Because giraffes haven't evolved in billions of years. B. Because individuals do not pass on any traits that they acquire during their lifetime. C. Because individuals can change their traits during their lifetime and pass on those traits to their offpsring. D. Because he misunderstood the structure of DNA.arrow_forwardA ship was caught in a storm and landed on a small island in the middle of the South Pacific. For generations, no one encountered this small colony who, despite the odds, made a thriving settlement on their island. After many years, what characteristics would be unique about this island population? a. The people would look very different from each other, and may have evolved some odd characteristics that aren't seen in other humans. b. The people would look very different from each other, and may exhibit abnormally high occurrences of genetic diseases that are rare in the general human population. c.The people would look very similar to each other, and may exhibit abnormally high occurrences of genetic diseases that are rare in the general human population. d. The people would no longer be considered humans after evolving independently for several generations.arrow_forward
- How long did it take, according to the short film, Human Origins: Expanding World of Homo Erectus, for Homo erectus to expand across the old world? Group of answer choices 200,000 years 1.5 million years 50,000 years likely over about two decadesarrow_forwardExplain why the statement “Humans evolved from monkeys” is incorrect.arrow_forwardWhy are humans so genetically similar within our species? A. Humans are not very genetically similar to one another. B. Because humans evolved in one location (Africa) and we have existed as a species for very long time. C. Because humans evolved in multiple locations around the world at different times. D. Because humans evolved in one location (Africa) and we haven't existed as a species for very long.arrow_forward
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