Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Textbook Question
Chapter 17, Problem 15SQ
Match the evolution concepts.
| ____ | gene flow | a. outcome can be interdependence |
| ____ | 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. adaptive traits make their bearers better at securing mates. |
| ____ | coevolution | e. no more living members |
| ____ | adaptive radiation | f. burst or divergences from one lineage into many |
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Students have asked these similar questions
Even though Hardy and Weinburg showed that the process of random reproduction will not alter gene frequency in a population over time, in wild populations we observe that gene frequencies do change overtime so what has happened?
A) sexual selection
B) Evolution due to sexual selection
C) none of these
D) any of these
E) Evolution due to genetic drift
For natural selection to occur, there must be competition for resources, competition for survival, or 15) different reproductive success. Why is this so?
A) Without competition, there is no pressure to mutate.B) The struggle of competition makes individuals stronger.C) Natural selection acts on the different abilities of individuals to survive and pass on their
genes to the next generation.D) Populations evolve to preserve the species and don't change unless they must.
Then explain why the answer is correct and why the others one are inccorect.
Speciation:
A.
is a process by which populations of one species diverge genetically and which produces one or more new species
B.
is the result of minor extinction events
C.
only results from interspecific hybridization
D.
is completed when two different species are able to interbreed
E.
always takes millions of years
Chapter 17 Solutions
Biology: The Unity and Diversity of Life
Ch. 17 - Prob. 1DAACh. 17 - Prob. 2DAACh. 17 - Prob. 3DAACh. 17 - Prob. 4DAACh. 17 - Prob. 1SQCh. 17 - A neutral mutation _______ . a. has a pH of 7.0 b....Ch. 17 - Change in allele frequency of a population is...Ch. 17 - A wild population of pea plants has two alleles...Ch. 17 - Which of the following is not part of how we...Ch. 17 - Prob. 6SQ
Ch. 17 - The persistence of sickle-cell anemia in a...Ch. 17 - ___ tends to keep populations of a species similar...Ch. 17 - Which is required for a population to evolve? a....Ch. 17 - Prob. 10SQCh. 17 - After fire devastates all of the trees in a wide...Ch. 17 - True or false? Inbreeding can increase the...Ch. 17 - The difference between sympatric and parapatric...Ch. 17 - Prob. 14SQCh. 17 - Match the evolution concepts. ____ gene flow a....Ch. 17 - Species have traditionally been characterized as...Ch. 17 - Rama the cama, a llama-camel hybrid, was born in...Ch. 17 - Two species or antelope, one from Africa, the...Ch. 17 - Prob. 4CTCh. 17 - About 70 percent of flowering plants are...
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- Which of the following statements about natural selection is a misconception? a.Most species don't produce more offspring than the environment can support b.Natural selection acts on heritable variations in a population c.Natural selection involves differential reproductive success d.Natural selection occurs as a result of competition among individuals in a population e.In natural selection, traits that are favoured depend on current environmental conditionsarrow_forwardMatch the evolution concepts. ___ gene flow a. outcome can be interdependence ___ sexual b. changes in a population’s allele selection frequencies due to chance alone ___ extinct c. alleles enter or leave a population ___ genetic d. adaptive traits make their drift bearers better at securing mates ___ coevolution e. no more living members ___ adaptive f. burst of divergences from one radiation lineage into manyarrow_forwardWhich evolutionary process is most responsible for the increased occurrence of tusklessness in female elephants in Gorongosa National Park? a)Sexual selection b)Mutation c)Natural selection d)Genetic drift Im thinking either b or c but im not sure mabye c but im not really sure about the whole thingarrow_forward
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