EBK BIOLOGY
6th Edition
ISBN: 8220106777640
Author: Maier
Publisher: PEARSON
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Chapter 13, Problem 7LTB
The biological definition of “race” corresponds to all of the following except.
- the genealogical species concept;
- the idea that subgroups within the same species can be distinguished from each other by ancestry;
- there is a natural hierarchy of groups within a species from “lowest” to “highest” forms;
- it should be possible to identify races on the basis of shared allele frequencies among populations;
- races within a species are not reproductively isolated from each other.
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Chapter 13 Solutions
EBK BIOLOGY
Ch. 13 - Define biological species.Ch. 13 - Prob. 2LTBCh. 13 - Prob. 3LTBCh. 13 - Prob. 4LTBCh. 13 - Prob. 5LTBCh. 13 - Prob. 6LTBCh. 13 - The biological definition of race corresponds to...Ch. 13 - All of the following statements support the...Ch. 13 - Similarity in skin color among different human...Ch. 13 - Prob. 10LTB
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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
- Hardy Weinberg equilibrium in a population refers to Group of answer choices equal numbers of females and males. lack of mutations affecting the observed phenotypes. equal numbers of dominant and recessive alleles. unchanging allele frequencies in successive generations. proportional numbers of each genotype.arrow_forwardFor Chapters 4-6: CHAPTER IV. Natural Selection; or the Survival of the Fittest. Natural Selection—its power compared with man's selection—its power on characters of trifling importance—its power at all ages and on both sexes—Sexual Selection—On the generality of intercrosses between individuals of the same species—Circumstances favourable and unfavourable to the results of Natural Selection, namely, intercrossing, isolation, number of individuals—Slow action—Extinction caused by Natural Selection—Divergence of character, related to the diversity of inhabitants of any small area, and to naturalisation—Action of Natural Selection, through Divergence of Character and Extinction, on the descendants from a common parent—Explains the grouping of all organic beings—Advance in organisation—Low forms preserved—Convergence of character—Indefinite multiplication of species CHAPTER V. Laws of Variation. Effects of changed conditions—Use and disuse, combined with natural…arrow_forwardThe biological species concept primarily focuses on which of the following criteria for defining a species? Interbreeding and reproductive isolation Phylogenetic relationships Ecological roles Morphological similaritiesarrow_forward
- Which definition of "species" is considered the most accurate, as it based on the irreducible grouping of organisms within which there is a pattern of ancestry and descent?arrow_forwardIndicate the order in which the following steps would take place to result in Parapatric Speciation [enter 1 for the first step, 2 for the second, etc; write only the number -- no words, no spaces] Something happens so that the environment is different in one part of the range relative to the other, even though the populations are still contiguous. As they adapt to their specific environments, the fitness of any hybrid formed is reduced. The populations adapt to their environment in the part of the range where they live. Interbreeding populations connected via gene flow occur across a range. Reproductive isolating mechanisms are selected for so that less fit hybrids are not formed. Two species now exist.arrow_forwardA certain population of Sistrurus milarius, there exists an allele “d" which has the frequency of 25%. This allele confers the ability to allow the organism to grow to lengths exceeding 3m. This population occurs in the northern 2/3 of Alabama. Out of a population of 80, find the following: # of individuals who are homozygous dominant # individuals who have the recessive diseasearrow_forward
- There are particular factors that cause the diversity in a gene pool to change. For each of the following statements, select the correct factor from the menu on the attached picture that is being described. The process by which organisms with certain heritable traits survive, passing on their traits to the next generation; determined by the environmental conditions of the time A change in allele frequencies caused by chance events in a small gene pool The movement of alleles into or out of a population by immigration or emigration The process of choosing mates based on the presence of certain traits or phenotypes and, thus, genotypes; traits are usually displayed in some form of courtship ritual A type of genetic drift that occurs when a natural disaster thins the population to a small group that happens to be unrepresentative of the original group; allele frequencies of the two groups will be dissimilar A type of genetic drift that occurs when a small population that is not…arrow_forwardThe images below depict a female (left) and male (right) primate of the same species. Based on these images, would you agree that a high degree of sexual dimorphism is present? If so, what traits indicate this? Mark all that apply. Group of answer choices Yes, a high degree of sexual dimorphism. No sexual dimorphism - these would be considered an example of sexual monomorphism. Male has much larger canines. Male has a sagittal crest Male is much larger in overall sizearrow_forwardWhich of the following is the definition of a gene pool? The combination of alleles that an individual organism possesses. All the alleles in an ecosystem. The total number of individuals in a population. All the alleles in a population of a particular species.arrow_forward
- Indicate the order in which the following steps would take place to result in Sympatric Speciation [enter 1 for the first step, 2 for the second, etc; write only the number -- no words, no spaces] As they adapt to their specific environments, the fitness of any hybrid formed is reduced. Reproductive isolating mechanisms are selected for so that less fit hybrids are not formed. Two species now exist. Interbreeding populations connected via gene flow occur across a range. The populations in the new environment adapt to their particular circumstances while the remainder stay as they were. Something happens so that some members of the populations/species change their environment (shift hosts; have a genetic change like polyploidy or inversions), so that they are separated from the others even thought hey are living in the same area.arrow_forwardThere are 1024 individuals with the genotype GG, 512 individuals with a genotype Gg, and 64 individuals with the genotype gg. Useless information to find the dominant allele frequency the recessive allele frequency the homozygous dominant frequency the heterozygous frequency and the homozygous recessive frequencyarrow_forwardWhen taxonomists recognize subspecies, they are identifying: populations with restricted enough gene flow to develop some population-specific traits, but that can still interbreed with members of other such populations. None of the other answer options is correct. populations that are reproductively isolated from one another. populations with extremely restricted gene flow due to allopatric isolation. O populations that will inevitably become separate species as reproductive isolation is nearly complete.arrow_forward
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