Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 14, Problem 3PIT
Summary Introduction
To add:
Gradualism and punctuated equilibrium to the concept map.
Concept introduction:
Macroevolution is defined as the large-scale evolutionary changes that include the formation of new species and taxa.
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Chapter 14 Solutions
Biology: Concepts and Investigations
Ch. 14.1 - What is the relationship between macroevolution...Ch. 14.1 - Prob. 2MCCh. 14.1 - What are some of the challenges in defining...Ch. 14.2 - Prob. 1MCCh. 14.2 - Prob. 2MCCh. 14.3 - Distinguish among allopatric, parapatric, and...Ch. 14.3 - Prob. 2MCCh. 14.3 - Prob. 3MCCh. 14.4 - Describe the theories of gradualism and punctuated...Ch. 14.4 - Prob. 2MC
Ch. 14.5 - Prob. 1MCCh. 14.5 - Prob. 2MCCh. 14.5 - Prob. 3MCCh. 14.6 - Describe the taxonomic hierarchy.Ch. 14.6 - What is the advantage of a cladistics approach...Ch. 14.6 - Distinguish between ancestral and derived...Ch. 14.6 - Prob. 4MCCh. 14.6 - How is a cladogram constructed?Ch. 14.6 - Prob. 6MCCh. 14.7 - Prob. 1MCCh. 14.7 - Prob. 2MCCh. 14 - The biological species concept defines species...Ch. 14 - Prob. 2MCQCh. 14 - A mountain range separates a population of...Ch. 14 - Prob. 4MCQCh. 14 - Prob. 5MCQCh. 14 - Prob. 6MCQCh. 14 - What type of reproductive barrier applies to each...Ch. 14 - Why do species become extinct? Choose a species...Ch. 14 - Prob. 3WIOCh. 14 - Which of the groups in figure 1.9 represent...Ch. 14 - On figure 14.20, circle a monophyletic group, a...Ch. 14 - Prob. 1PITCh. 14 - Add fertilization and offspring to this concept...Ch. 14 - Prob. 3PIT
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- I need help identifying which assumption of Hardy-Weinberg equilibrium is most affected, then indicating whether what is being described will act to establish or violate equilibrium, and lastly, whether the statement will increase or decrease that population’s genetic variation. Corals synchronize spawning to occur on a single night during a particular tidal event, such as a spring tide. On that night individuals release sperm and eggs into the water, which then form zygotes. Larvae are carried off by currents and settle elsewhere. What assumption is this breeding style affecting and what will it do to VG of that coral species?arrow_forwardConsider two species that diverged while geographically separated but resumed contact before reproductive isolation was complete. Predict the outcome over time if the two species mated indiscriminately and (a) hybrid offspring survived and reproduced more poorly than offspring from intraspecific matings or (b) hybrid offspring survived and reproduced as well as offspring from intraspecific matings.arrow_forwardYou are studying two variations of banana slugs. They have similar coloration and live in the same habitat. Although they are physically able to mate, there are no offspring that survive embryologic development. What can you conclude about the banana slugs? * Pre-zygotic barriers have forced them to be separate species. They are in Hardy-Weinberg equilibrium. Microevolution is occurring in both variations. They are two separate species. Two species of toads are reproductively isolated due to the fact that one species mates in early summer and one in late summer. Both species of toads evolved from a common ancestor. What type of speciation occurred?* OAllopatricarrow_forward
- Describe the theories of gradualism and punctuated equilibrium. How can the fossil record support both?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_forwardState about Gradualism compared to punctuated equilibrium ?arrow_forward
- Please make a concept map only Why has the evolution of resistance to insecticides in mosquitoes been so rapid? Consider the effect of population size, reproduction cycle, mutation rates, natural selection and genetic drift. Accompany your answer with a concept map (of the interactions of the different key terms, i.e., small population versus big population).arrow_forwardDifferentiate between natural selection and genetic grift. Give a specific example for each.arrow_forwardDescribe how changes in the ladybugs'environment may influence their survival and/or reproduction. Make sure to use the vocabulary terms adaptation, natural selection, and polymorphic.arrow_forward
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