Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 17, Problem 10SQ
The difference between sympatric and parapatric
- a. parapatric speciation occurs only in worms
- b. sympatric speciation requires a barrier to gene flow
- c. the extent of overlap in range
- d. reproductive isolation does not occur
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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
Several new tetraploid species of a plant called salsify (Tragopogon) have arisen in western North America. These new species each arose from a diploid species that went through the process of allopolyploidy. This mode of speciation is a type of ________ and it occurs ________.
A.
allopatric speciation; almost instantaneously
B.
sympatric speciation; gradually
C.
allopatric speciation; very slowly
D.
sympatric speciation; quickly
A physical barrier separates a single species, causing two separate populations to form. Over time these two populations adapt to their environments. Eventually, these two populations are no longer able to successfully reproduce with each other. This is known as __________.
A. Sympatric speciation
B. Allopatric speciation
C. Autopatric speciation
D. Parapatric speciation
Chapter 17 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 17 - ___ is the original source of new alleles. a....Ch. 17 - Which is required for evolution to occur in a...Ch. 17 - Prob. 3SQCh. 17 - Prob. 4SQCh. 17 - The persistence of sickle-cell anemia in a...Ch. 17 - ___ tends to keep populations of a species similar...Ch. 17 - The theory of natural selection does not explain...Ch. 17 - Prob. 1DAACh. 17 - Prob. 2DAACh. 17 - Prob. 3DAA
Ch. 17 - Prob. 4DAACh. 17 - Which of the following is not part of how we...Ch. 17 - Sex in many birds is typically preceded by an...Ch. 17 - The difference between sympatric and parapatric...Ch. 17 - A fire devastates all trees in a wide swath of...Ch. 17 - Match the evolution concepts. ____ gene flow a....Ch. 17 - Change in allele frequency of a population is...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. 4CT
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- Multiple choice quection. 1. Choose the correct option from the below sentence and also provide the explanation of each option given geographicaly overlapping populations that produce hybrid offspring with low relative fitness may be undergoing a. clinal isolation b. sympatric speciation c. allopatric speciation d. reinforceent e. geographical isolation 2. If two species of holly (genus ilex ) flower during different months their gene pools may be kept seprated by a. mechanical isolation b. ecological isolation c. gametic isolation d. temporal isolation e. behavioral isolationarrow_forward19. Instantaneous speciation" can best be described as _________. A. sympatric speciation B. ecological speciation C. speciation by polyploidy D. allopatric speciation E. there is no such thingarrow_forwardTwo animals of the same______ are able to breed to produce fertile offspring. A.Class B• Genus © Species D. All of the abovearrow_forward
- 1. ____ occurs when allele frequencies change over generation due to random chance. a. extinction b. gene flow c. natural selection d. mutationarrow_forward(a) Gryllus pennsylvanicus prefers sandy soil. (b) Gryllus firmus prefers loamy soil. Based on the information above what kind of reproductive isolating mechinism is being exhibited by the two cricket species? A. Ecological isolation B. Mechanical isolation O C, Gametic isolation D. Temporal isolation O E. Behavioral isolationarrow_forward4. When Asian rosefinches first arrived in the Hawaiian Islands (about 4.0 million years ago), they diversified into a number of different species on different islands. Since the Pacific Ocean was a barrier between these islands before the ancestral species first arrived, this represents which pre-zygotic barrier? A. allopatric isolation by means of vicariance B. gamete isolation C. mechanical isolation D. habitat isolation E. allopatric isolation by means of dispersalarrow_forward
- Eusociality was observed to have evolved several times among hymenopteran insects when there is increasing genetic relatedness in a colony. Data from phylogenetic analysis have followed the prediction of inclusive fitness theory that a/an _______ mating system was the ancestral state in all eusocial lineages examined. A. inbreeding-dependent B. polyandrous C. monandrous D. amicticarrow_forwardWhich of the following is an example of postzygotic reproductive isolation?a. Sperm of species A dies in the oviduct of species B before fertilization can take place.b. Hybrid zygotes between species A and B are spontaneously aborted early indevelopment.c. The mating seasons of species A and B do not overlap.d. Males of species A are not attracted to the pheromones produced by the females ofspecies B.arrow_forwardSuppose two species of morning glories are reproductively isolated because in one species the flowers bloom in early April and in the other species they flower in mid-May. This would be an example of _______ isolation, which is a form of _______ isolation. a. habitat; prezygotic b. temporal; prezygotic c. temporal; postzygotic d. behavioral; postzygotic e. habitat; postzygoticarrow_forward
- A. What kind of speciation do we normally associate with members from one population being geographically displaced to a new, smaller population? Geospiza scandens B. What kind of speciation do we normally associate with members of a population that become ecologically, genetically or behaviorally distinct within that population such that they become reproductively isolated?arrow_forward1. Sea urchins are broadcast spawners that release clouds of sperm/eggs into the water column. However, the ability to successfully fertilize the egg by the sperm is restricted to very specific gametic proteins that inhibit cross species fertilization. This is an example of a a. Post zygotic barrier b.Habitat isolation c.Mechanical isolation d.Pre zygotic barrier e.Hybrid breakdownarrow_forward10. The herbivorous Japanese ladybird beetle Henosepilachna yasutomii (which feeds on blue cohosh), and the sympatric beetle Henosepilachna nipponica (which feeds on thistles), do not ordinarily interbreed because they are reproductively isolated by which pre-zygotic barrier? A. mechanical isolation B. allopatric isolation by means of vicariance C. habitat isolation D. allopatric isolation by means of dispersal E. gamete isolationarrow_forward
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