Campbell Essential Biology with Physiology (5th Edition)
5th Edition
ISBN: 9780321967671
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece, Kelly A. Hogan
Publisher: PEARSON
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Chapter 14, Problem 2SQ
Summary Introduction
Introduction: It is not necessarily that an isolated species evolve into new species. The population may adapt to its local environment and look different.
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Which of the following is NOT true for the speciation of finches in the Galapagos islands?
A. Natural selection acted on beak shape, and resulted in different beak morphologies for different food sources.
B. Assortative mating reinforced existing divergence between birds.
C. Speciation of finches started by birds starting to specialize on different food sources.
D. Speciation of finches on the same island is due to allopatric speciation.
Which of the following could result in allopatric speciation?
A.
Two populations of a species are separated by a river that they are unable to cross.
B.
Two populations of a species are separated by a field that is too dry during the summertime.
C.
One group within a population mates during the evenings and another during the mornings.
D.
One group within a population develops a new mating ritual that is not recognized by the other.
Which of the following is an example of postzygotic reproductive isolation?a. Sperm of species A dies in the oviduct of species B before fertilization can take place.b. Hybrid zygotes between species A and B are spontaneously aborted early indevelopment.c. The mating seasons of species A and B do not overlap.d. Males of species A are not attracted to the pheromones produced by the females ofspecies B.
Chapter 14 Solutions
Campbell Essential Biology with Physiology (5th Edition)
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- A. Which term is most relevant to a critical understanding of the fictional portrayal of primates such as Curious George and King Kong? a. homology b. homoplasy c. anthropomorphism d. cladomorphism B. Which of the following is true of primates? a. Some lemur species are able to interbreed despite different numbers of chromosomes. b. Lorises and galagos are extremely shy daytime species that are seldom seen in the wild. c. Tarsiers are a very diverse primate group that belongs to the suborder of Strepsirrhines. d. Today, lemurs are found only on the island of Madagascar and extreme South Africa.arrow_forwardThe wolf, domestic dog, and red fox are all in the same family, Canidae. The scientific name for the wolf is Canis lupus, the domestic dog is Canis familiaris, and the red fox is Vulpes vulpes. This means thata. the red fox is in the same family but different genus than dogs and wolves.b. the dog is in the same family but different genus than red foxes and wolves.c. the wolf is in the same family but different genus than dogs and red foxes.d. all three organisms are in different genera.arrow_forwardWhich of the following is not true about the Dodo bird? a. they went extinct less than 100 years after their discovery b. none of the above c. they had no natural predators. d. they are a ficticious character in childrens fables.arrow_forward
- Biology Resource partitioning due to disruptive selection is more likely to cause speciation in: Group of answer choices D. peripatric populations than in sympatric populations. A. allopatric populations than in peripatric populations. C. sympatric populations than in allopatric populations. B. allopatric populations than in sympatric populationarrow_forwardClassify these variations as to "species characteristics" or "individual characteristics". a. Thorms in the stalk of the rose flower b. Body size of ants c. Color of apple skin d. Color mosaic in San Francisco leaf e. Number of body segments in wormarrow_forwardThe domestic dog belongs to the species Canis familiaris. The great dane, golden retriever, cocker spaniel, fox terrier and chihuahua are different breeds within this species. a List some differences between these breeds. b List some differences within one of these breeds. c Considering the differences in size between the largest and smallest of these breeds, explain how it is that they are all considered to belong to the same species.arrow_forward
- A small number of birds arrive on an island from a neighboring larger island. This small population begins to adapt to the new food plants available on the island, and their beaks begin to change. About twice a year, one or two more birds from the neighboring island arrive. What effect do these new arrivals have? A. Their arrival tends to retard adaptation to the new food plants. B. Their arrival speeds the process of speciation. C. Their arrival tends to promote adaptation to the new food plants. D. Their arrival will likely prompt genetic drift. E. Their arrival represents a colonizing event.arrow_forwardWhich of the following statements is false? a. Gradual speciation is most likely to occur in a large population that lives in a stable climate. b. Punctuated equilibrium is unlikely to occur in a large population that lives in a stable climate. c. Gradual speciation and punctuated equilibrium both result in the divergence of species. d. Gradual speciation is most likely to occur in a small population that experiences a rapid change in its environment.arrow_forwardIf populations of white rhinoceros (Ceratotherium simum) continue to decline, one approach to prevent extinction would be captive breeding. How does this process work? a. The remaining animals are moved into captivity to try to increase the population, after which they are reintroduced into the wild. b. The remaining animals are moved to a national park. c. The remaining animals are taken to the largest zoos so more people can see theam. d. A few individuals are moved to an outdoor enclosure to ensure that mates are available.arrow_forward
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