Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 17.4, Problem 1TC
If specialization puts a species at risk for extinction, how could this hazardous trait have evolved?
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Chapter 17 Solutions
Biology
Ch. 17.1 - One way to determine the number of species on...Ch. 17.1 - Prob. 1TCCh. 17.1 - The tiny frog paedophryne amauensis was discovered...Ch. 17.1 - describe how biologists define species and explain...Ch. 17.1 - describe the biological species concept and...Ch. 17.1 - list some reasons why it can be hard to tell...Ch. 17.2 - describe the main types of premating and...Ch. 17.2 - provide examples of each type of mechanism?Ch. 17.3 - Make a list of events or processes that could...Ch. 17.3 - How might conservation scientists use the map...
Ch. 17.3 - It is not surprising that the forests of New...Ch. 17.3 - Prob. 3TCCh. 17.3 - Prob. 4TCCh. 17.3 - Prob. 5TCCh. 17.3 - One possible explanation for the distinctive...Ch. 17.3 - describe the two general steps that are required...Ch. 17.3 - explain the difference between allopatric and...Ch. 17.3 - explain adaptive radiation and describe the...Ch. 17.3 - interpret an evolutionary tree diagram?Ch. 17.4 - If specialization puts a species at risk for...Ch. 17.4 - Prob. 1CTCh. 17.4 - describe the main causes of extinction?Ch. 17.4 - Prob. 2CYLCh. 17.4 - Given that genetic isolation is the first step in...Ch. 17 - The biological species concept is difficult or...Ch. 17 - Which of the following does not describe a...Ch. 17 - All instances of speciation require a. genetic...Ch. 17 - Analysis of Rhagoletis fly populations in North...Ch. 17 - In the initial phase of allopatric speciation,...Ch. 17 - A species is a group of ________ that evolves...Ch. 17 - Fill in the following with the appropriate...Ch. 17 - Formation of a new species occurs when two...Ch. 17 - The process by which many new species arise in a...Ch. 17 - A species may be at higher risk of extinction if...Ch. 17 - Define the following terms: species, speciation,...Ch. 17 - Many of the oak tree species in central and...Ch. 17 - Review the material on the possibility of...Ch. 17 - A drug called colchicine prevents cell division...Ch. 17 - What are the two major types of reproductive...Ch. 17 - It is difficult to perform experiments that test...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Why might captive-breeding programs that reintroduce species into natural environments fail?arrow_forwardWhat factor results evolution of a species? A) Genetic Drift B) Gene Flow C) Natural Selectionarrow_forwardIf not all mutations that contribute to species evolution are passed down, what conditions must be met for a mutant trait to be inherited by the next generation?arrow_forward
- In the absence of evolution, the only way of producing new variation of single genes is gene flow. Question 16 options: A) True B) Falsearrow_forwardSuppose that global warming causes ocean rise that obliterates most of the Gulf Coast of Florida and much of its human population, and that radiation leaking from the destroyed Big Bend Nuclear Power Station causes a mutation that yields green hair in humans with the homozygous recessive mutant allele. Many years pass and a new island appears in the Gulf. This island is then colonized by an intrepid human population that is fixed for the recessive green hair allele. If the island population grows to 10,000 individuals and then a new mutation arises once in the population, with a single individual becoming heterozygous for the green hair locus, a) What is the probability that this non-green hair allele will reach fixation by genetic drift? (Assume no selection or additional mutation at this locus). b) What is the average time to fixation of this new non-green allele?arrow_forwardSuppose that global warming causes ocean rise that obliterates most of the Gulf Coast of Florida and much of its human population, and that radiation leaking from the destroyed Big Bend Nuclear Power Station causes a mutation that yields green hair in humans with the homozygous recessive mutant allele. Many years pass and a new island appears in the Gulf. This island is then colonized by an intrepid human population that is fixed for the recessive green hair allele. If the island population grows to 10,000 individuals and then an individual who is heterozygous for the green hair locus arrives on the island and mates with one of the residents, how many generations will it take for the dominant, non-green hair allele to reach a frequency of 99%? (Assume viability selection 20% in favour of the non-green allele and ignore the effects of genetic drift).arrow_forward
- n 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_forwardA species is a group of individual organisms that interbreed and produce fertile, viable offspring. According to this definition, one species is distinguished from another when, in nature, it is not possible for matings between individuals from each species to produce fertile offspring. Evolution is an important mechanism in the formation of new species. The evolution of a new species requires several components including all, BUT A) Evolution of a new species requires a long time. B) Evolution of a new species requires the need for a genetic change. C) Evolution of a new species requires a separation that prevents interbreeding. D) Evolution of a new species requires mutations that produce new genetic traits. not graded use photoarrow_forwardAdaptive radiations can be a direct consequence of three of the following four factors. Select the factor that is NOT a direct consequence of adaptive radiation. Select one: a. Genetic drift b. Vacant ecological niches (niches are environment "space" where a particular organism has resources required to survive and reproduce) c. New evolutionary innovations d. Colonization of a new region that contains suitable habitat and few competitor speciesarrow_forward
- What type of reproductive isolation is due to organisms that have different mating seasons?arrow_forwardThere are hundreds of species of cichlid fish in Lake Victoria in Africa. Some scientists argue that they evolved sympatrically, but recent studies of the lake suggest that it periodically dried out, leaving a series of small ponds. Whyis this observation relevant to evaluating the hypothesis that these species arose by sympatric speciation?arrow_forwardWhat is Microevolution? A) The change of a population over several generations B) The history of a species from its origin C) The history of all populations and their descendantsarrow_forward
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