Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 22, Problem 2TYK
Summary Introduction
Introduction:
Biologists have given many theories and concepts regarding the categorization of individuals into species. These concepts are- morphological species concept, biological species concept, and phylogenetic species concept.
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Students have asked these similar questions
What is the biological definition of a species?
A) A group of individuals that can breed and produce viable offspring
B) A group of interbreeding individuals that share the same environment
C) A group of individuals that share a common ancestor
Which of the following is a problem with using the Biological Species Concept?
A. it doesn't apply to asexual populations
B. It doesn't apply to tropical organisms
C. it doesn't take into account reproductive compatibility
D. there are no issues with this species concept
What is the ecological definition of a species?
A) A group of individuals that can breed and produce viable offspring
B) A group of interbreeding individuals that share the same environment
C) A group of individuals that share a common ancestor
Chapter 22 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 22.1 - How do the morphological, biological, and...Ch. 22.1 - What is clinical variation?Ch. 22.2 - What is the difference between prezygotic and...Ch. 22.2 - Prob. 2SBCh. 22.3 - Prob. 1SBCh. 22.3 - Why might insects from different host races be...Ch. 22.4 - Prob. 1SBCh. 22.4 - Prob. 2SBCh. 22 - The biological species concept defines species on...Ch. 22 - Prob. 2TYK
Ch. 22 - A characteristic that exhibits smooth changes in...Ch. 22 - Prezygotic is isolating mechanisms: a. reduce the...Ch. 22 - In the model of allopatric speciation, the...Ch. 22 - Prob. 6TYKCh. 22 - If two species of holly (genus Ilex) flower during...Ch. 22 - Prob. 8TYKCh. 22 - An animal breeder, attempting to cross a llama...Ch. 22 - Prob. 10TYKCh. 22 - Apply Evolutionary Thinking How do human...Ch. 22 - Prob. 12TYKCh. 22 - Prob. 13TYKCh. 22 - Prob. 14TYKCh. 22 - Prob. 15TYKCh. 22 - David Hills of Baylor University noted that three...
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- What is the phylogenetic definition of a species? A) A group of individuals that can breed and produce viable offspring B) A group of interbreeding individuals that share the same environment C) A group of individuals that share a common ancestorarrow_forwardWhich of the following is not part of how we definea 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_forwardn which situation would it make sense to use the morphological species concept? When you are able to collect data about how individuals in your study use their habitat, but you are unable to determine if they interbreed When working with fossils from extinct organisms When you only have genetic data about each organism in your study When you are not able to collect data about how individuals in your study use their habitat, but you are able to collect reproductive dataarrow_forward
- Speciation can occur when two populations of a species become separated from each other. What is the best explanation for why speciation occurs?arrow_forwardThe 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 barrow_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_forward
- Which of the following may be true of two species that are a result of allopatric speciation? Select all that apply. a They will be genotypically similar. b They will be phenotypically similar. c They can produce viable offspring. d They will be geographically isolated.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_forwardIf reinforcement is weak and hybrids are not completely infertile, a. genetic divergence between populations may be overcome by gene flow. b. speciation will occur 100% of the time. c. gene flow between populations will be impossible. d. the speciation will be more likely than if hybrids were completely infertile.arrow_forward
- Which of the following could result in allopatric speciation? A. Two populations of a species are separated by a river that they are unable to cross. B. Two populations of a species are separated by a field that is too dry during the summertime. C. One group within a population mates during the evenings and another during the mornings. D. One group within a population develops a new mating ritual that is not recognized by the other.arrow_forwardThe type of speciation that takes place in geographically overlapping populations is known as ________________________. A. Allopatric speciation B. Sympatric speciation C. Morphological speciation D. Physiological speciationarrow_forwardWhich condition is the basis for a species to be reproductively isolated from other members? a. It does not share its habitat with related species. b. It does not exist out of a single habitat. c. It does not exchange genetic information with other species. d. It does not undergo evolutionary changes for a significant period of time.arrow_forward
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