Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 3TYK
What does it mean to say that a characteristic is heritable?
a. The characteristic evolves.
b. The characteristic can be passed on to offspring.
c. The characteristic is advantageous to the organism.
d. The characteristic does not vary in the population.
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What is the difference between artificial selection (e.g., greyhounds that are bred for speed) and natural selection?
a.
In artificial selection, the genetic variation introduced into the population is limited, but in natural selection, it is not
b.
In artificial selection, the environment is the selective force, while in natural selection, humans are the selective force
c.
In natural selection, the environment is the selective force, while in artificial selection, humans are the selective force
d.
Unlike other species, dogs are not subject to natural selection
e.
Both A & C
If race is not a biological concept, is it still useful to study race?
A.
No, it's not useful.
B.
Yes, because race is a social concept and racism can cause inequalities that affect people's lives and health.
C.
Yes, because race actually is a biological concept that is supported by science.
D.
Yes, because race is a social concept but racism doesn't affect people's lives.
What is the difference between evolution, natural selection, and artificial selection?
A.
Evolution is a genetic change in a population over time which can occur through natural selection.
Artificial selection is the differential reproduction of individuals in a population to promote the characteristics chosen by the breeder.
B.
Natural selection is the change of allele frequencies in a population over time.
Evolution leads to differential survival and reproduction of individuals.
Artificial selection has produced domesticated animals and plants.
C.
Evolution is a mechanism of artificial selection.
Natural selection is a form of artificial selection in which nature selects the characteristics that are most beneficial to a species.
D.
Artificial selection is a mechanism of evolution and is the main process of domesticating animals and plants for human use.
Natural selection is the same as evolution.
Chapter 1 Solutions
Biological Science (7th Edition)
Ch. 1 - Anton van Leeuwenhoek made an important...Ch. 1 - What does it mean to say that a characteristic is...Ch. 1 - 4. Could both the food competition hypothesis and...Ch. 1 - Prob. 5TYUCh. 1 - What did Linnaeus' system of naming organisms...Ch. 1 - 7. What is “selected” during natural selection?...Ch. 1 - 8. PROCESS OF SCIENCE Explain why researchers...Ch. 1 - Prob. 10TYPSSCh. 1 - Prob. 11PIATCh. 1 - Prob. 12PIAT
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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
- If race is not a biological concept, is it still useful to study race? A. Yes, because race actually is a biological concept that is supported by science. B. No, it's not useful. C. Yes, because race is a social concept and racism can cause inequalities that affect people's lives and health. D. Yes, because race is a social concept but racism doesn't affect people's lives.arrow_forwardLamarck's theory of inheritance of acquired characteristics did NOT include which of the following ideas? Select one: a. The environment plays a role in selecting favourable characteristics b. Physical characteristics acquired during a lifetime can not be passed to offspring c. Organisms can change during their own lifetime d. Physical activities can change organisms O O Oarrow_forwardAllele frequency refers to the fraction of individuals with a particular version of a given gene.What effect does natural selection have on the allele frequency of a population? A. It causes the allele frequency to resemble that of a small number of individuals that became separated from the rest of the population. B. It causes random changes and the allele frequency of certain traits may increase or decrease. C. It increases the frequency of alleles that improve a species' survival in a particular environment. D. It greatly reduces the total population, which increases the effects of genetic drift on allele frequency.arrow_forward
- Which of the following is the best definition of fitness? a. The ability to increase the number of alleles in a gene pool b. The ability to survive for a long time c. The ability of an individual to adapt to a changing environment d. The ability to produce many offspringarrow_forwardAnswer the following questions: a. A gene has 2 alleles, R and B. List the possible genotypes. b. If there are 40 individuals in a population and all 40 have the genotype RB, what is the frequency of the R allele? c. If there are 40 individuals in a population and 10 are RR, 20 are RB, and 10 BB, what is the frequency of the R allele? d. If there are 40 individuals in a population and 10 are RR, 10 are RB, and 20 BB, what is the frequency of the R allele?arrow_forwardWhat branch of biology deals with the genetic makeup of populations? A. cytology B. ecology C. Mendelian genetics D. population genetics E. population ecologyarrow_forward
- Give an example of a variable human trait that increases the fitness of the possessor. Give an example of a variable human trait that decreases the fitness of the possessor. Which of these traits are more likely to be inherited by the children of the next generation?arrow_forwardIs it better for an organism to maximize their direct fitness or their indirect fitness? a. Direct Fitness b. Indirect Fitness c. Trick question. Neither Direct or Indirect Fitness matter in evolution.arrow_forwardHow does sexual selection differ from natural selection? a. It does not require heritable traits. b. It determines which individuals get to mate. c. Variation is not required. d. It only involves males.arrow_forward
- Stabilizing selection on a trait tends toa. make the trait more extreme.b. reduce variability in the trait.c. decrease the frequency of alleles associated with the trait.d. result in elaborate male ornaments.arrow_forwardPopulation genetics is the study of ________. a. how allele frequencies in a population change over time b. populations of cells in an individual c. the rate of population growth d. how genes affect embryological developmentarrow_forwardThe good genes hypothesis is a theory that explains what? a. why more fit individuals are more likely to have more offspring b. why alleles that confer beneficial traits or behaviors are selected for by natural selection c. why some deleterious mutations are maintained in the population d. why individuals of one sex develop impressive ornamental traitsarrow_forward
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