Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 17.1, Problem 3CYL
- list some reasons why it can be hard to tell different species apart?
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Discuss the advantages and limitations of the morphological species concept in defining species.
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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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- The biological species concept defines a species by its morphology. In other words all members of the same species look alike? True or false?arrow_forwardDistinguish between morphological,phylogenetic and biological species concept. What are the advantages and disadvantages of each . What ration is common to each of the species definition that we considered? Why do species definition matter in conversation biologyarrow_forwardWhat are three biological ways in which diversity and variation arises in individuals of species? In other words, why do siblings not look exactly alike? Answer: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) How many of the gene trees do you expect to look like the species tree? b) You observe three gene trees in which species X and Z are the closest relatives and seven gene trees where X and Y are the closest relatives. What can you conclude from these data? Group of answer choices Historical hybridization between species W and X Historical hybridization between species X and Y Historical hybridization between species X and Z Historical hybridization between species Y and Zarrow_forwardWhat traits support classifying H. habilis and H. rudolfensis as separate species? (Use complete sentences. Minimum of 2 sentences.)arrow_forward
- The biological species concept is based on the assumption that species are reproductively isolated and do not share genes. And yet a number of organisms that are considered different species hybridize (mate and exchange genes). Hybridization between different species is more common in plants than in animals. Propose some possible reasons for this difference.arrow_forwardSwordtails, platyfish and Poecilia species are incapable of interbreeding with each other but swordtail species 1 can produce viable hybrids with swordtail species 2. In addition, both Poecilla fish, platyfish, and swordtails can all be distinguished genetically, but swortail species 1 and 2 cannot be genetically distinguished. Using this information indicate how many distinct 1) Biological, 2) morphological, and 3) phylogenetic species would be found in this group of fish. If you cannot determine this for any of the 3 species categories, state what you would need to know in order to do so. Edit View Insert Format Tools Table 12pt v Paragraph v BIUAv er Tv: 1. There are four 2.arrow_forwardWhile there are many criteria to describe the difference between two species, the biological definition of a species is based on being part of?arrow_forward
- The biological species concept primarily focuses on which of the following criteria for defining a species? Interbreeding and reproductive isolation Phylogenetic relationships Ecological roles Morphological similaritiesarrow_forwardIdentify the key components, inherent assumptions, and drawbacks for the three major species concepts. Phylogenetic species concept Biological species concept General lineage species concept Answer Bank requires interbreeding individuals does not work well if there is high morphological variation in a species defines species as a metapopulation that exchanges alleles and shares an evolutionary lincage defines species by morphological characteristics may group morphologically different populations as the same species only applies to species that reproduce sexually defines species as a group that possesses distinguishing characteristics from other groupsarrow_forwardWhich of the following best explains the morphological species concept?arrow_forward
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