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 17.1, Problem 1CYL
- describe how biologists define species and explain why it is difficult to develop a criterion for distinguishing species?
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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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- What is the main rule used to define a species in biology?arrow_forwardThe second step of classification is using homologous traits to determine the relationships between organisms. Based on the traits you identified in Exercise 3, it should now be possible to group some of the objects together. Objects that share a derived trait are related to one another, and they should be grouped together. Objects that share multiple shared derived traits are closely related, and they should be subgroups within larger related groups.Describe the groups in which you would place these objects, starting with groups with the largest number of objects and ending with the group with the smallest number of objects.arrow_forwardDescribe the two methods that are used to identify similarity between species when creating phylogenetic trees.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_forwardShould one line of evidence hold more weight than another when we discuss the classification of species? Or should all lines of evidence be weighed equally?arrow_forwardShould more weight should be given to genetic data or to information derived from comparative anatomy (phenotypes) in regard to taxonomic classification?arrow_forward
- Specify some molecular biology techniques that are being used in taxonomy and phylogeny. Also, explain how do molecular markers work, its applications and limitations?arrow_forwardExplain your answer in some depth and avoid just saying "It is A" or It is B. Defend your answer and explain why you choice that answer choice. Question: Domestic dogs would least likely meet the definition of a single species using which concept? Group of answer choices A) Lineage B) Biological C) Morphological D) Domestic dogs are not a single species according to any of the species concept definitions.arrow_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
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