Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Chapter 23.2, Problem 1CC
Summary Introduction
To determine:
The role of geography in the evolution of the island fox.
Introduction:
The study of the geographic distribution of the extinct and the living species is known as biogeography. Natural geographic distribution of related species often shows patterns of past evolution. It is found that the continents and islands which are isolated have evolved their own distinct communities of plants and animals.
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(Check all the right answers). The goal of Phylogenetic systematics is to determine;
- the evolutionary pathways by which existing (and extinct) species arose;
- the degree of relatedness of various species;
- the specifics of species relatedness (HOW close/distant they are related);
- the determination of extinct ancestors' morphology.
Need help.: Explain the similarities between Lamarckian and Darwinian evolution and how they differ with respect to how populations will change over time.
When and where did Homo sapiens originate?
Evaluate which hypothesis better supports the current evidence: the multi regional hypothesis (Also called regional continuity model) or the out of Africa hypothesis. (also called the replacement model).Support your answer with a discussion of the behavioral, fossil and genetic lines of evidence for the evolution of modern humans.
Chapter 23 Solutions
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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- Identify and explain the type of natural selection (directional, disruptive, stabilizing) that accounts for the evolution of the hollow bones of birds, which make flight possible.arrow_forwardTry to outline a scenario explaining the evolution of the three species shown in panel g. Use migration, mutation, genetic drift, selection, reproductive isolation, gene flow, extinction, and many generations in your scenario. Based on your scenario, what are the components that are necessary in a population in order for it to split or diverge into two new daughter species from a single ancestor (the parent species)?arrow_forwardEVOLUTION CONNECTION Explain the biological basis forassigning all human populations to a single species. Can youthink of a scenario by which a second human species couldoriginate in the future?arrow_forward
- Measuring Genetic Diversity in Human Populations How would a drastic reduction in a populations size affect that populations gene pool?arrow_forwardMAKE CONNECTIONS Describe how Tiktaalik’sfeatures illustrate Darwin’s concept of descentwith modification (see Concept 22.2).arrow_forwardCreate a scenario in which red pandas undergoes a speciation event. Select one of the following mechanisms of evolution - explain the mechanism, what trait it is impacting, and how this results in speciation. Mechanisms: Geographical barriers / Sexual selection / Bottleneck / Artificial selection / Founder effect / Natural selection due to climate change.arrow_forward
- Direction: Provide answer below. It's not incomplete. Thank you in advance. -How would natural selection have caused changes in the size, feet, and teeth of the horse?arrow_forwardQuestion:- Venomous snakes are some of the most awe-inspiring creatures in nature. Explain how venomous snakes could evolve from a non-venomous ancestor, using the tenants of natural selection.arrow_forwardGive typing answer with explanation and conclusion to all parts What evidence shows that the most recent common ancestor of chimpanzees and humans was much more arboreal than modern humans are? We spoke of paleoenvironmental processes that changed the ecological environmental conditions in Africa somewhere around 7 million years in Africa: which are they? How would have these processes might have selected for a less arboreal lifestyle in the human lineage? Why did the same changes not evolve in the chimpanzee lineage?arrow_forward
- 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.)arrow_forwardThe phylogenetic tree for 12 cat species (Felidae) reproduced at right was assembled from molecular sequence data. Which species is the domestic cats closest relative? Which clade is the sister taxon to tigers? Are bobcats more closely related to cougars or to ocelots? Source: From Warren E. Johnson et al. 2006. The late Miocene radiation of modern Felidae: A genetic assessment. Science 311:7377.arrow_forwardQuestion:- Identify at least 4 different cause that are used by migratory animals to find their way during migration. Then, pick one of the cause and explain how we know that at least one species or organism uses these cues.arrow_forward
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