Human Biology : Concepts and Current Issues - With Access
7th Edition
ISBN: 9780321874856
Author: Johnson
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
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.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
original Homo sapiens had black skin and why skin tones changed?
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
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 decades
Chapter 22 Solutions
Human Biology : Concepts and Current Issues - With Access
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...
Knowledge Booster
Learn more about
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
- Based on everything that you have learned so far, provide an explanation for how the different shades of skin color from pinkish white to dark brown evolved throughout human history.arrow_forwardscientist have long known the dogs involved from wolves. but no one knows exactly how dogs became domesticated. based on the sentences what can you infer about wolves? arrow_forwardWhat is potentially the first example of art in the world? A. A cave painting of stars at night B. A cave painting of a rhino C. Handprints and footprints made by Denisovan children D. A cave painting of other homininsarrow_forward
- According to the land bridge theory, why may people have crossed into North America from Siberia?arrow_forwardWhat is an example of neutral evolution in humans? A. Eye Color B. Humans do not have any traits that undergo neutral evolution C. Skin Color D. Blood Typesarrow_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
- From the movie what Darwin Never Knew. List 5 things that make humans different from other apes and other species. Why did parallels between humans and apes make people angry?arrow_forwardWhy do people of European descent have a small portion of Neanderthal genes? Why don’t people of European descent have more of these Neanderthal genes?arrow_forwardHominins first expanded widely out of Africa into other areas of the Old World around ______ years ago. Group of answer choices 60 thousand 5 thousand 6 million 2 million 10 millionarrow_forward
- If humans evolved from apes, why are there still apes?arrow_forwardAccording to Nina jablonski's research dark skin is adaptive because it protects from __________ at low latitudes. Light skin is a derived trait at high latitudes to allow for __________ production.arrow_forwardAccording to Greek mythology, which race was created by the Olympian gods, lived with their mothers for 100 years, ate bread but no meat, and were destroyed by Zeus for irreverence? the men of silver the men of iron the heroes the men of gold the men of bronzearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
Biology Today and Tomorrow without Physiology (Mi...BiologyISBN:9781305117396Author:Cecie Starr, Christine Evers, Lisa StarrPublisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Human Biology (MindTap Course List)
Biology
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cengage Learning
Biology Today and Tomorrow without Physiology (Mi...
Biology
ISBN:9781305117396
Author:Cecie Starr, Christine Evers, Lisa Starr
Publisher:Cengage Learning
The Evolution of Populations: Natural Selection, Genetic Drift, and Gene Flow; Author: Professor Dave Explains;https://www.youtube.com/watch?v=SRWXEMlI0_U;License: Standard YouTube License, CC-BY
The Evolution of Humans | Evolution | Biology | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=Vf_dDp7drFg;License: Standard YouTube License, CC-BY