BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 17, Problem 14SA
Match the evolutionary concepts.
| ____gene flow | a. can lead to interdependent species |
| ____sexual selection | b. changes in a population’s allele frequencies due to chance alone |
| ____extinct | c. alleles enter or leave a population |
| ____genetic drift | d. evolutionary history |
| ____phylogeny | e. operates on variation in shared traits |
| ____adaptive radiation | f. adaptive traits make their bearers better at securing mates |
| ____derived trait | g. no more living members |
| ____coevolution | h. diagram of sets within sets |
| ____natural selection | i. burst of divergences from one lineage into many |
| ____cladogram | j. present in a group, but not in any of the group’s ancestors |
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1. ____ occurs when allele frequencies change over generation due to random chance.
a. extinction
b. gene flow
c. natural selection
d. mutation
The difference between sympatric and parapatric speciation is ___ .a. parapatric speciation occurs only in velvet walking wormsb. sympatric speciation requires a barrier to gene flowc. the extent of overlap in ranged. reproductive isolation does not occur
www.ck 12.org
The Theory of Evolution
C. acquired inheritance.
d. geologic change.
6. The type of evolution observed by Peter and Rosemary Grant on the Galapagos
Islands is referred to as
a. macroevolution.
b. comparative evolution.
C. microevolution.
d. stabilizing evolution.
7. A gene pool consists of all the genes in a(n)
goloid to lle vinu b
a. species.
Bypopulation.
individual.
d. genome.
8. All of the following are forces of evolution except
a. genetic drift.
b. mutation.
C. gene flow.
(d. gradualism.
9. The evolution of sexual dimorphism comes about through
a. directional selection.
b. artificial selection.
c. disruptive selection.
d, none of the above.
10. The evolution of Kaibab squirrels is an example of
a. coevolution.
b. sympatric speciation.
C. symbiotic evolution.
d. allopatric speciation.
True or False
Write true if the statement is true or false if the statement is false.
Chapter 17 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 17 - _________is the original source of new alleles. a....Ch. 17 - Prob. 2SACh. 17 - Match the modes of natural selection with their...Ch. 17 - Prob. 4SACh. 17 - The persistence of the sickle allele at high...Ch. 17 - Prob. 6SACh. 17 - Prob. 7SACh. 17 - Which of the following is not part of how we...Ch. 17 - Prob. 9SACh. 17 - Prob. 10SA
Ch. 17 - Prob. 11SACh. 17 - Prob. 12SACh. 17 - In evolutionary trees, each node represents an...Ch. 17 - Match the evolutionary concepts. ____gene flow a....Ch. 17 - The evolution of wings helped the insect clade to...Ch. 17 - Species have traditionally been characterized as...Ch. 17 - Rama the cama, a llama-camel hybrid, was born in...Ch. 17 - Two species of antelope, one from Africa, the...Ch. 17 - Prob. 4CT
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- Match the terms with the most suitable description. ___ phylogeny a. similar across many taxa ___ cladogram b. evolutionary history ___ master regulators c. human arm and bird wing ___ convergent d. present in a group but evolution not in its ancestors ___ derived character e. based on neutral mutations ___ molecular clock f. insect wing and bird wing ___ analogous g. diagram of sets within sets structures h. different lineages evolve in ___ divergent a similar way evolution i. closely related lineages ___ homologous evolve in different ways structuresarrow_forwardHow is genetic drift like natural selection? A. They both depend upon the founder effect B. Both usually bring about adaptation to the environment C. They both cause gene frequency changes D. All of these are correct Mutations are __________. A. The sole source of variation in a sexually reproducing organisms B. The ultimate source of variation in sexually reproducing organisms C. Both genetic and chromosomal in nature D. All of these are correctarrow_forward____tends to keep populations of a species similar to one another. a. Genetic drift c. Mutation b. Gene flow d. Natural selectionarrow_forward
- Evidence that populations change in characteristics over time includes ___. a. Guppies transferred from ponds with predators to ponds without predators became more brightly colored b. drug resistance in bacterial diseases like tuberculosis becoming more common c. fruit flies in jars with alcohol in the food will increase in fast alcohol dehydrogenase alleles after a few generations d. Cholera outbreaks became more deadly after the industrial revolution when people started to live in crowded cities e. all of the above are examples of evolutionarrow_forwardChange in allele frequency of a population is called_____ . a. macroevolution c. inbreeding b. adaptive radiation d. microevolutionarrow_forwardwhich of these is not a central rule of natural selection a, fitness to the general health and strength of an organism b, natural selection can only act on traits that affect reproduction c, natural selection can't occur without population variation d, a trait must be inherited if natural selection is to act on itarrow_forward
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