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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Textbook Question
Chapter 17, Problem 8SQ
Which of the following is not part of how we define a species?
- a. Its individuals appear different from other species.
- b. It is reproductively isolated from other species.
- c. Its, populations can interbreed.
- d. Fertile offspring are produced.
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The biological species concept classifies a species based ona. morphological characteristics.b. reproductive isolation.c. the niche the organism occupies in the environment.d. genetic relationships between an organism and its ancestors.e. both a and b
The biological species concept emphasizes whether populations
a.
look the same.
b.
have similar biochemical pathways.
c.
can have gene flow between them.
d.
share common ancestry.
e.
have similar ecological requirements.
Two parents, who are thought to be different species, mate and produce viable hybrid offspring. When two of these hybrids mate, their offspring are not viable. What is the BEST interpretation of this data?
A.
The original parents are the same species because they can breed together.
B.
The original parents are the same species because they can breed together and produce viable offspring.
C.
The original parents are not the same species because they produce hybrids that impair the species’ development or survival in its environment.
D.
The original parents are not the same species because they produce hybrids that can have reduced viability and fertility when they mate.
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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- Which of the following is not part of how we define a species? a. Its individuals appear different from other species. b. It is reproductively isolated from other species. c. Its populations can interbreed. d. Fertile offspring are produced.arrow_forward4) The Biological Species Concept classifies a species based on a.the role the organism plays in the environment. b.reproductive characteristics c.both morphological characteristics and reproductive isolation. d.genetic relationships between an organism and its ancestor. e.morphological characteristicsarrow_forwardOf the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)? A. Order B. Subspecies C. Class D. Genusarrow_forward
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- A biological speciesa. always looks different from other species.b. always has a different chromosome number than other species.c. is reproductively isolated from other species.d. never occupies the same ecological niche as other species.arrow_forwardWhat problems does horizontal gene transfer cause for evolutionary biologists? a. It can make the reconstruction of phylogenetic trees difficult because it can obscure phylogenetic relationships. b. It can cause physiological problems in some organisms, making it hard to study them. c. It can make breeding between different individuals of the same species difficult. d. Because it is the transfer of genes between the same species, it can make individuals look more similar than they actually are. e. All of the above.arrow_forwardWhich of the following is a good description of Sympatric speciation? A. Speciation without geographic isolation B. Changes in sequence of DNA of an organism C. Speciation due to geographical isolation D. The change in the genetic characteristics of a population of organisms over timearrow_forward
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