EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Chapter 23.2, Problem 2CC
Summary Introduction
To determine:
An example of two species that are not closely related but have similar adaptations.
Introduction:
Evolution refers to the changes which can be transferred from the parents to the offsprings. Natural selection and genetic drift are two mechanisms through which evolution can occur. Convergent evolution and divergent evolution are the two types of evolution occurring in populations. In divergent evolution species have common ancestors whereas in convergent evolution species do not have common ancestors.
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MAKE CONNECTIONS Explain how natural selection could increase the resemblance of a harmlessspecies to a distantly related harmful species. In addition to selection, what else could account for a harmlessspecies resembling a closely related harmful species? (See Concept 22.2.)
Synthesis: How does reproductive isolation differ in sympatric modes and allopatric modes of speciation?
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Chapter 23 Solutions
EBK BIOLOGY
Ch. 23.1 - Prob. 1CCCh. 23.1 - Prob. 1BCCh. 23.1 - Overview of Evolution Experimental Questions What...Ch. 23.1 - Overview of Evolution Experimental Questions...Ch. 23.1 - Overview of Evolution Experimental Questions...Ch. 23.2 - Prob. 1CCCh. 23.2 - Prob. 2CCCh. 23.2 - Prob. 3CCCh. 23.3 - Prob. 1CCCh. 23.3 - Prob. 1BC
Ch. 23.3 - The Molecular Processes Concept Check: Why do...Ch. 23.3 - Prob. 2BCCh. 23.3 - Prob. 3CCCh. 23 - Prob. 1TYCh. 23 - Lamarcks vision of evolution differed from Darwins...Ch. 23 - Which of the following scientists influenced...Ch. 23 - Prob. 4TYCh. 23 - Vestigial structures are anatomical structures a....Ch. 23 - Which of the following is an example of a...Ch. 23 - Prob. 7TYCh. 23 - Prob. 8TYCh. 23 - Prob. 9TYCh. 23 - Prob. 10TYCh. 23 - Evolution that results in adaptation is rooted in...Ch. 23 - What is convergent evolution? How does it support...Ch. 23 - Prob. 3CQCh. 23 - Prob. 1COQCh. 23 - Prob. 2COQ
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- please give answer asap explain pleasearrow_forwardTopic: Galapagos Finches Darwin’s readings took him to a predictive theory of how species might change with time: what later thinkers have called microevolution. Darwin’s philosophical worldview then took him beyond his evidence to a conviction that environmental constraints could create whole new structures and organisms. Soon Darwin’s theory of macroevolution replaced the Creator with an environment that could create solely by constraint. For your thread: According to Chapter 13 section 13.1, define microevolution and macroevolution. The Galapagos islands have a great diversity of landscapes – from lush vegetation to nearly barren lava fields yet the Galapagos Finches survive on each island. How can this be explained? Using the varying bills of the Galapagos Finches in figure 13.3 and additional research, explain how microevolution is evidenced.arrow_forwardw4 applyarrow_forward
- Matchplease: 12345 pre-zygotic: geographic isolation 12345 pre-zygotic: behaviour 12345 post-zygotic: hybrid sterility 12345 pre-zygotic: timing 12345 post-zygotic: hybrid inviability 1. A species of salamanders is separated by a new road 2. Wolves tend to eat dogs. 3. A species of trout has members who mate in either April or June 4. A mule is not fertile. 5. Goats and sheep can mate, but the offspring are still-born.arrow_forwardNeed help what is the difference between a gene tree and a species tree? Explain in your own words how it is possible for gorillas and humans to share a genetic trait (such as a retroviral insertion) that chimpanzees do not share, if chimpanzees and humans are really each other's closest relatives. Given the lack of agreement between gene trees and species trees, how is it possible to reconstruct the true species tree?arrow_forwardArt Connections Directions: With the knowledge you gained about the mechanism of evolution, answer the following questions using illustrations/drawing. Write your answers on a separate sheet of paper. 1. Give an example of natural selection that happens in your locality. 2. Where do you think genetic drift will likely happen more quickly on an island or the mainland? 3. How do pollinators contribute to the gene flow?arrow_forward
- new species divergence Which row below identifies the model of evolution shown in this diagram and offers the best explanation of this model? The statement above is best completed by the answers in row: Row Model Explanation evolutionary history consists of long periods of equilibrium where there is little change, interrupted by periods of speciation gradualism punctuated equilibrium gradual change occurs steadily in a linear fashion; big changes (such as the evolution of a new species) occur as a result of many small changes gradual change occurs steadily in a linear fashion; big changes (such as the evolution of a new species) occur as a result of many small changes gradualism punctuated equilibrium evolutionary history consists of long periods of equilibrium where there is little change, interrupted by periods of speciation Timearrow_forwardEvolution 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_forwardEvolution in Humans 1) explain what evolutionary mechanisms are involved in creating variation in populations 2) define homology and analogy and discuss examples of eacharrow_forward
- need help.arrow_forwardAnswer Plz.arrow_forwardQ:need help with question We looked at how the beliefs of the Theory of Special Creation were challenged by Descent with Modification. Even before Lamarck and Darwin proposed that species do change over time, what belief of the Theory of Special Creation had already been challenged? Species do not change Lineages do not split Each species is separately created Each species is independently created Earth and life are youngarrow_forward
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