Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
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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Question 16 options:
A) True
B) False
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 data
Chapter 17 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 17.1 - The tiny frog paedophryne amauensis was discovered...Ch. 17.1 - describe how biologists define species and explain...Ch. 17.1 - One way to determine the number of species on...Ch. 17.1 - Prob. 1TCCh. 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 - It is not surprising that the forests of New...Ch. 17.3 - describe the two general steps that are required...
Ch. 17.3 - Make a list of events or processes that could...Ch. 17.3 - One possible explanation for the distinctive...Ch. 17.3 - explain the difference between allopatric and...Ch. 17.3 - How might conservation scientists use the map...Ch. 17.3 - explain adaptive radiation and describe the...Ch. 17.3 - Prob. 3TCCh. 17.3 - interpret an evolutionary tree diagram?Ch. 17.3 - Prob. 4TCCh. 17.4 - Prob. 1CTCh. 17.4 - describe the main causes of extinction?Ch. 17.4 - If specialization puts a species at risk for...Ch. 17.4 - Prob. 2CYLCh. 17.4 - Given that genetic isolation is the first step in...Ch. 17 - It is difficult to perform experiments that test...Ch. 17 - A species is a group of ________ that evolves...Ch. 17 - The biological species concept is difficult or...Ch. 17 - Define the following terms: species, speciation,...Ch. 17 - Fill in the following with the appropriate...Ch. 17 - Which of the following does not describe a...Ch. 17 - Many of the oak tree species in central and...Ch. 17 - Formation of a new species occurs when two...Ch. 17 - All instances of speciation require a. genetic...Ch. 17 - Review the material on the possibility of...Ch. 17 - The process by which many new species arise in a...Ch. 17 - Analysis of Rhagoletis fly populations in North...Ch. 17 - A drug called colchicine prevents cell division...Ch. 17 - A species may be at higher risk of extinction if...Ch. 17 - In the initial phase of allopatric speciation,...Ch. 17 - What are the two major types of reproductive...
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- Why might captive-breeding programs that reintroduce species into natural environments fail?arrow_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
- The divergent evolution of these cichlid fish is an example of what type of speciation? a.) coevolution b.) mutation c.) adaptive radiation d.) convergent evolutionarrow_forwardGiven your knowledge of how species evolve, why is it not likely that speciation will occur in the majority of species on the planet as a result of climate change?arrow_forwardScientists are studying two populations of the same species of sea turtle. One population is quite small, with only 18 individuals, and the other is much larger, with 147 individuals. If a genetic factor such as a mutation were introduced to both populations at the same time, what could scientists predict about the impact?arrow_forward
- Evolution in Humans: 1) describe several techniques that paleontologists today use to establish fossil age 2) describe how tracking changes in DNA sequence among related organisms can be used to create a migration maparrow_forwardHow can a shift in the proportion of genes in a population could lead to the evolution of a new species? Explain why evolution happens to a whole population rather than to a single individual.arrow_forwardWhat kinds of characteristics make species especially likely to go extinct?arrow_forward
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