Our Origins
4th Edition
ISBN: 9780393284904
Author: LARSEN, Clark Spencer.
Publisher: W.w. Norton & Company,
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Chapter 1, Problem 4ER
Summary Introduction
To explain: Whether the culture had large or small effects on human evolution by focusing the figure 1.4.
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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.
What 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 Types
A group of people have already been chosen to go on the first manned space flight to Mars. Describe the evolutionary forces that would affect the Mars colonizers if this small group of people remain on Mars and reproduce.
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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
- Through _______, a body part of an ancestor is modified differently in different lines of descent. a. homologous evolution c. adaptive divergence b. morphological convergence d. morphological divergencearrow_forwardIs gene transfer a form of eugenics? Is it advantageous to use gene transfer to eliminate some genetic disorders? Can this and other technology be used to influence the evolution of our species? Should there be guidelines for the use of genetic technology to control its application to human evolution? Who should create and enforce these guidelines?arrow_forwardUsing evidence from the text, how did natural selection determine the survival of medeival humans during the black death( bubonic plague)? Please explain in 4 to 4 sentences Use the words: variation, natural selection, favorable traitsarrow_forward
- Which of the following statements about evolution is false?a. Gene mutations alone amount to evolution. b. Genetic drift and gene flow are modern theories of evolution.c. Natural selection contributes to evolution.d. Chimpanzees evolved from a hominoid ancestor.arrow_forwardRelative to a human lifetime, is evolution a process too slow or too fast for us to see it easily?arrow_forwardUsing at least two examples, explain how the process of evolution is revealed by the imperfections of living organisms.arrow_forward
- why is evidence of evolution important today?arrow_forwardFrom the early 1700s to the modern day, how did various lines of evidence clarify and improve scientists' understanding about the ancestry of cetaceans? A. DNAarrow_forwardWhich of the following is NOT true of biological evolution? a. It always involves genetic changes b. it always involves groups of individuals c. it requires the existence of genetic variation within a population d. it can include non-genetic changes in an organism, if the organism is complex enougharrow_forward
- Evolution is one of the major unifying concepts of modern biology. Explain the mechanisms that lead to evolutionary change.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_forwardBecause mass extinction is a natural process that may facilitate evolution during the period of thousands to millions of years that follow it, should humans be concerned about the current mass extinction we are causing? Why or why not?arrow_forward
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