BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 14, Problem 7MCQ
Summary Introduction
Introduction:
There is a variety of organisms present in nature. The group of organisms that share certain characteristic features such as ability to interbreed with each other is called species. The process by which all the organisms of a particular species die is termed as extinction. There are many causes of extinction such as disease, predation, and habitat loss. Many species have completely gone extinct from the environment.
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According to "The Complex Evolution of Homo sapiens", what happened to large animals in the areas where our species migrated?
A.They died out soon after we migrated into their area
B.We domesticated them soon after we migrated into their area
C.Nothing happened to large animals when we migrated into their territories
D.They increased in number soon after we migrated into their area
A subpopulation of a species of birds migrates to a different location from the rest of the species for breeding purposes. How might the genes change in the subpopulation?
A.
Their genes would change randomly and eventually revert to normalcy, which would allow the subpopulation to return to the main population.
B.
Their genes would change to better allow them to survive and reproduce in their new location.
C.
Their genes would not change at all and they would merely be a subpopulation living in a different location.
D.
Their genes would change so that they would continue to be well-adapted to their former location.
According to "The Complex Evolution of Homo sapiens", what happened to large animals in the areas where our species migrated?
A.Nothing happened to large animals when we migrated into their territories
B.They increased in number soon after we migrated into their area
C.They died out soon after we migrated into their area
D.We domesticated them soon after we migrated into their area
Chapter 14 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 14.1 - How are macroevolution and microevolution related?Ch. 14.1 - Prob. 2MCCh. 14.1 - What are some of the challenges in defining...Ch. 14.2 - Prob. 1MCCh. 14.2 - Write a real or fictitious example other than...Ch. 14.3 - Prob. 1MCCh. 14.3 - Prob. 2MCCh. 14.3 - Prob. 3MCCh. 14.4 - Prob. 1MCCh. 14.4 - Prob. 2MC
Ch. 14.5 - Prob. 1MCCh. 14.5 - Prob. 2MCCh. 14.5 - Prob. 3MCCh. 14.6 - Describe the taxonomic hierarchy.Ch. 14.6 - What are the strengths of a cladistics approach...Ch. 14.6 - Distinguish between ancestral and derived...Ch. 14 - Macroevolution is distinct from microevolution in...Ch. 14 - The biological species concept defines species...Ch. 14 - A mule is the offspring of a male donkey and a...Ch. 14 - Prob. 4MCQCh. 14 - Prob. 5MCQCh. 14 - Prob. 6MCQCh. 14 - Prob. 7MCQCh. 14 - Prob. 8MCQCh. 14 - Prob. 9MCQCh. 14 - Prob. 10MCQCh. 14 - How has the meaning of the term species changed...Ch. 14 - What type of reproductive barrier applies to each...Ch. 14 - Prob. 3WIOCh. 14 - Polyploidy is a common mechanism of speciation in...Ch. 14 - How does natural selection predict a gradualistic...Ch. 14 - Prob. 6WIOCh. 14 - Examine the cladogram in figure 14.17 and answer...Ch. 14 - Prob. 8WIOCh. 14 - Prob. 9WIOCh. 14 - Prob. 1SLCh. 14 - Prob. 1PITCh. 14 - Prob. 2PITCh. 14 - Prob. 3PIT
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- If two mouse populations do not interbreed but are found in the same area, they may form different species due to d. Adaptive radiation c. Spontaneous generation a. Geographic isolation b. Mutations OOOOarrow_forwardWhich of the forces is the ONLY way that new genetic diversity can be produced in a species? A. Mutation B. Gene Flow C. Natural Selection D. Genetic Driftarrow_forwardWhat does “descent with modification” mean?a. Populations that change quickly are likely to become extinct.b. Inherited traits change from generation to generation.c. Tracing an evolutionary tree from top to bottom reveals changes inspecies diversity.d. Parents change their own features before passing them on to offspring.arrow_forward
- What is the greatest source of genetic variation in plant and animal populations? a. Geographic variation b. Recessive masking in heterozygotes c. Selection d. Sexual reproductionarrow_forwardWhich is an example of directional selection after several generations on an island population from an original population that had an equal number of individuals with thin, moderate, and thick sized legs? A. Anolis lizards that have evolved thinner legs b. Anolis lizards that have evolved thin and thick legs c. Anolis lizards that have evolved moderate sized legs d. All of the above E. none of the abovearrow_forwardWhich hypothesis is plausible for the extinction of the dodo bird? Select all answers that apply. A. The food and other resources they required became scarce due to climate change. B. An asteroid crashed into the region where the birds lived and only affected their survival and not the other animals that lived there. C. Cannibalism within the species caused the population to decline. 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 recover. red MacBook Air 80 F3 F1 DO0 F4 F2 F5 F7 % & %24 23arrow_forward
- Which is required for a population to evolve?a. genetic diversity c. gene flowb. selection pressure d. none of the abovearrow_forwardThe three beetle species live in the same ecosystem, and they likely evolved from the ancestral species that colonized the region. Which statement best explains how descent with modification influenced speciation in these beetles? A. The ancestral species carried neutral gene mutations that spontaneously caused speciation when they colonized the region. B. The ancestral species randomly diverged into three species before colonization and then colonized the regions that best suited their new adaptations. C. After colonization, small groups separated from the rest of the ancestral species and developed different adaptations that helped them survive and reproduce. D. After colonization, the large group interbred until they developed enough neutral genetic mutations for speciation to occur.arrow_forwardWhich condition is the basis for a species to be reproductively isolated from other members? a. It does not share its habitat with related species. b. It does not exist out of a single habitat. c. It does not exchange genetic information with other species. d. It does not undergo evolutionary changes for a significant period of time.arrow_forward
- Which statement least applies to the concept of fitness? A. Measures of fitness include mating sucess and fecundity. B. It is trait featured among organisms which survived a bottleneck event. C. Reproductive sucess of individuals can be enhanced by their social behaviors within a group. D. Fitness among individuals in a population can vary due to differential reproduction.arrow_forwardHow are species defined by the biological species concept? A. Populations of different species are not in the same small monophyletic group B. Individuals of different species cannot produce successful offspring C. Individuals of different species avoid inbreeding D. Individuals of different species have dissimilar morphologies O E. Individuals of different species hybridize and produce offspring that have high fitnessarrow_forwardWhy is reproductive isolation insufficient to define a species? A. Reproductive isolation doesn't take outgroups into account. B. This definition overlooks artificial reproduction, such as in zoos. C. This definition excludes organisms that reproduce asexually. D. Reproductive isolation can be accomplished in a variety of ways.arrow_forward
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