Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 26, Problem 10TY
Which of the following statements regarding modern humans, H. sapiens, is false?
- a. Some modern humans have a small amount of DNA that is derived from Neanderthals.
- b. Some modern humans have a small amount of DNA that is derived from Denisovans.
- c. H. sapiens probably arose in Africa.
- d. Modern humans are very genetically diverse compared to most other species.
- e. Modern humans are still evolving.
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Students have asked these similar questions
How 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.
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.
Reduced tailbones and the associated remnant muscles in humans are an example of what type of evidence for common descent? (a) artificial selection (b) homologous traits (c) biogeography (d) fossil evidence
Chapter 26 Solutions
Biology
Ch. 26.1 - Prob. 1CCCh. 26.1 - Prob. 2CCCh. 26.2 - Prob. 1CSCh. 26.2 - Prob. 1CCCh. 26.2 - Prob. 2CSCh. 26.3 - What are the defining features of primates?Ch. 26.3 - Core Skill: Modeling The goal of this modeling...Ch. 26 - Prob. 1TYCh. 26 - Prob. 2TYCh. 26 - Prob. 3TY
Ch. 26 - The endosymbiosis hypothesis explaining the...Ch. 26 - Prob. 5TYCh. 26 - Which of the following explanations of...Ch. 26 - Prob. 7TYCh. 26 - Prob. 8TYCh. 26 - Prob. 9TYCh. 26 - Which of the following statements regarding modern...Ch. 26 - Prob. 1CQCh. 26 - Prob. 2CQCh. 26 - Core Concept: Evolution Describe two examples in...Ch. 26 - Discuss the factors that have contributed to the...Ch. 26 - Discuss how the human body has changed since the...
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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
- Changes in the traits of the fossils studied are consistent with what is expected to be favored by natural selection, given environmental changes during that time. Thus, from the late Miocene, modern horses evolved to have the following traits, consistent with grassland ecosystems becoming more common, EXCEPT for -- A. Formation of hooves and fused forelimb bones. B. Teeth adapted for browsing rather than grazing.. C. A muscle and tendon system allowing for a springing motion in galloping. D. Larger animals better designed for grazing.arrow_forwardHomo heidelbergensis is considered by many to be a transitional species between Homo ergaster and Homo neanderthalensis. Use the following two models to help you answer the questions below. a. Name one Homo ergaster trait observable in this fossil.b. Name one Homo neanderthalensis trait observable in this fossil.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
- Which of the following is part of a clade believed to have died out, leaving no descendants? a. Paranthropus robustus b. Australopithecus africanus c. Homo erectus d. Homo sapiens sapiensarrow_forwardThe human skull and cranium (braincase) have evolved through which of the following Group of answer choices A. taking on the form of unrelated species B. loss of juvenile traits in adults C. reverting to the form of ancestral species D. retention of juvenile traits in adultsarrow_forwardWhy are human and chimpanzee DNA 96 percent similar? Please choose the best option.a) Both groups show similarities in their fossil record.b) Humans and chimpanzees share several similar traits such as the use of tools.c) These two species descended from a recent common ancestor.d) Natural selection has favored those particular genes in both humans and chimpanzees.arrow_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_forwardWhich of the following statements about convergent evolution is true? (a) It demonstrates how similar environments can lead to different physical structures. (b) It demonstrates how similar environments can lead to the same physical structures. (c) It demonstrates that similarity of structures is due to descent from a common ancestor. (d) It demonstrates that similarity of structures is due to random chance.arrow_forwardHumans and chimpanzees share many common characteristics. How would you explain the similarities of the amino acid sequences that can be found in both organisms? A. Two groups share a relatively common ancestor B. Humans evolved from chimpanzees C. Two groups belong to the same species D. Chimpanzees evolved from humansarrow_forward
- Along with other geological evidence from rocks and structures, fossils give us clues about past climates, the motions of plates, and other major geological events. Which of the following statements does NOT support the evidence of evolution? * A. Fossils are records of structural changes that happen to organism B. Humans have stopped evolving. C. Fossils provide clear evidence of evolution. D. There may be similarities between different species due to a common ancestor. Davao is known for its wide variety of fruits and other plant species that makes it more attractive to tourists, which of the following classification of the value of biodiversity is described? * A. Direct economic value B. Indirect economic value C. Aesthetic value D. both A and Carrow_forwardDNA sequence data suggest that modern humans last shared a common ancestor with Old World monkeys about 25 million years ago. In contrast, humans last shared a common ancestor with New World monkeys about 40 million years ago. What could be concluded about evolutionary relationships among these groups? A. Humans are more closely related to Old World monkeys than to New World monkeys. B. Old World monkeys are more closely related to humans than to New World monkeys. C. Both A and B are correct. D. Neither A nor B is correct. Explain.arrow_forwardFossilized remains of prehistoric mastodons show anatomical similarities to modern-day elephants. These similarities provided the first evidence that mastodons were related to modern-day elephants. Which of the following is the BEST additional evidence that mastodons were related to elephants? A. Mastodons walked on four legs like modern-day elephants. B. Mastodon tissues contained proteins with similar amino acid sequences compared to modern-day elephants. C. Mastodon fossils were found in the same area where modern-day elephants live. D. Mastodons ate a diet similar to that of modern-day elephants.arrow_forward
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