Human Biology: Concepts and Current Issues - With Access (Custom)
15th Edition
ISBN: 9781323045237
Author: 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
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.
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.
Which 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 climates
Chapter 22 Solutions
Human Biology: Concepts and Current Issues - With Access (Custom)
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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- 1. Why is the evolution of man considered as a complex process? 2. How does the Philippine government show that it values its human resources? 3. Why is Tabon Man considered as the oldest human remain excavated in the Philippines? 4. The Filipinos were civilized even before the coming of the Spaniards. Explain 5. The culture during pre-colonial period was shaped as a consequence of continued contacts with the great traditions of Asia. Explain 6. How large was the barangay was the barangay during the ancient period? Compare this with the present barangay. 7. The significant of History to our times is being told in this saying "The neglect of the past would be the failure of the present time." Explain 8. Can we stand as a State even without having the existence of other countries in the world? 9. What is the reason why there is a need of having different culture and values? 10. What approach is necessary in order to put as one the diversified culture and values? 11. Is being an…arrow_forwardThe finches that Darwin observed on the Galapagos are commonly cited as exemplars of evolution. Why? A. Small changes in the bird's genetics allowed them to change slowly over time. B. The finches were a raihbow of colors. C. The finches wanted to eat different things, so they did. D. He observed finches evolving from reptiles to birds.arrow_forwardNaked mole rats are weird mammals that live underground and can tolerate very low oxygen concentrations. Explain, using the principles of natural selection, how this particular ability evolved. Make sure you include the four steps of evolution by natural selection in your response.arrow_forward
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