HUMAN BIOLOGY: CONCEPTS - 9780134312729
8th Edition
ISBN: 2819260095972
Author: Johnson
Publisher: PERUSALL
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Textbook Question
Chapter 22, Problem 10TY
Which of the following statements is true?
a. Mass extinctions did not occur prior to the arrival of Homo sapiens.
b. Increases in atmospheric CO2 concentration and global warming have never occurred before.
c. Environmental changes may create new habitats favoring the development of new species.
d. Species can only become extinct; they can't diverge into more than one species.
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Species can vary in several ways. Which of the following is one of Darwin’s ideas that was accepted by most scientists of his time due to the large number of fossils being discovered at that time?
A. Species that live in seawater can also live on mountains.
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Which hypothesis is plausible for the extinction of the dodo bird? Select all answers that apply.
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D. Each bird dove into the water even though it could not swim, which led to mass drownings.
U E. Predators, including humans, hunted and killed the population to a point that it could not
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Chapter 22 Solutions
HUMAN BIOLOGY: CONCEPTS - 9780134312729
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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- The adaptive radiation of mammals following the extinction of the dinosaurs is an example of adaptive radiation due to a. physiological innovation. b. ecological opportunity. c. morphological innovation. d. behavioural innovation.arrow_forwardAfter the mass extinction that occurred 65 million years ago, mammals rapidly diversified to occupy habitats that were previously unavailable to them. What concept does this illustrate? A. Adaptive radiation B. Cretaceous selection C. Reproductive isolationD. Heterozygote advantagearrow_forwardA small number of animals moves away from a large ancestral population on the continental mainland and colonizes an island. Which of the following is likely to occur? A. Genetic diversity will decrease on the mainland, because of a population bottleneck. B. Alleles that were more rare on the mainland are likely to become more common on the island, because of the founder effect. C. Genetic diversity will be lower on the island than the mainland, because of the founder effect. D. Mutations rates will increase on the island, in response to selection pressures in the new environment.arrow_forward
- Several very distantly related species (e.g., bats, birds, insects) have evolved the capability of flight. The most recent common ancestor of insects and vertebrates likely lived over 500 million years ago and was flightless. This independent evolution of flight in multiple, distantly related taxa is an example of what evolutionary process/pattern? a. Evolutionary reversal b. Convergent evolution c. Speciation d. Synapomorphyarrow_forwardAccording to "The Complex Evolution of Homo sapiens”, what two major things (or pieces of evidence) confirm that our species evolved in Africa? A.History Textbooks B.Genetics C.Fossil Record D.B and C Only E.A, B and Carrow_forwardOne hypothesis for the Cambrian explosion was an increase in predator-prey relationships. It is thought that the resulting co-evolution of predator and prey may have been a factor in the rapid speciation of animals seen during this time. What findings in the fossil record would most support this? Group of answer choices a. increased incidence of larger-bodied animals b. increased incidence of sessile animals c. decreased incidence of animals with bilateral symmetry d. increased incidence of animals with radial symmetry e. increased incidence of shells, bony plates, spines, and/or clawsarrow_forward
- Species that are more vulnerable to certain risk factors are more likely than others to become extinct. For example, species with a unique lineage, such as the giant panda, are likely to be at severe risk of extinction.a. Should our limited resources for species protection be focused on species that are at the highest risk of extinction?b. Do you support the idea that high-risk species may be less successful products of evolution and should not receive extraordinary protection?arrow_forwardWhich 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_forwardThere are several other species pairs like these meadowlarks in the Great Plains (orioles, chickadees, yellow-rumped warblers, and flickers). Some are considered separate species and others aren’t, even though they are quite different in physical appearance. What might have geologically isolated these different bird populations, leading to speciation? Group of answer choices A. recent (geologically) continental glaciation B. hurricanes from the Gulf of Mexico C. the Mississippi River D. prairie fires in the springarrow_forward
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