Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 15, Problem 5RQ
Describe how evolution occurs. In your description, Include discussion of the reproductive potential of species, the stability of natural
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Remember that understanding is
explanations more than facts.
Definitions of phenotype, genotype, allele, gene, microevolution, macroevolution
Know that in humans, most of the genetic variation is observed within populations, and
know why that is.
Know the 4 processes of evolution (3 neutral + natural selection)
Know that evolution isn't progressive and doesn't necessarily lead to more complexity
Know that evolution can lead to traits that decrease survival (ex: sexual selection)
Know that quantitative traits are generally influenced by (i) many genes, each having a
small effect on the trait value; and (ii) the environment
What is F1 like when you cross 2 homozygotic lines of peas of different colors?
What is F2 like when you cross F1 individuals (remember what 9:3:3:1 is about)
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Definitions of chromosome, nucleus, mitosis, meiosis, crossing over
How many chromosomes in humans? How many pairs of chromosomes?
Know and apply Hardy-Weinberg's equation…
TOPIC: The response of an HIV strain to antiviral drugs.
Research your specific example of natural selection to better understand how and
why the population has changed over time. Organize your information into the
presentation format below.
Description of inherited variation within the population
Explanation of why some individuals are better able to survive and
produce offspring
• A description of the adaptation that is being favored by natural
selection
Data to support explanations
Describe the evolutionary mechanisms (natural selection, artificial selection,
sexual selection, genetic variation, genetic drift, biotechnology), and explain how
they affect the evolutionary development and extinction of various species (i.e.
Darwin's finches, giraffes, pandas)
Chapter 15 Solutions
Biology
Ch. 15.1 - identify some of the thinkers whose ideas set the...Ch. 15.1 - Prob. 2CYLCh. 15.1 - define evolution?Ch. 15.2 - A recent study found that Galpagos mockingbirds on...Ch. 15.2 - Prob. 2TCCh. 15.2 - explain how natural selection works and how it...Ch. 15.2 - describe the logic, based on four postulates, by...Ch. 15.3 - The fossil history of some kinds of modem...Ch. 15.3 - What Good Are Wisdom Teeth and Ostrich Wings?...Ch. 15.3 - Are a peacocks tail and a dogs tail homologous...
Ch. 15.3 - Between 70% and 85% of people will experience...Ch. 15.3 - describe the evidence that evolution has occurred?Ch. 15.3 - explain the difference between similarity due to...Ch. 15.3 - What Good Are Wisdom Teeth and Ostrich Wings? Just...Ch. 15.4 - To reduce the incidence of pesticide resistance,...Ch. 15.4 - describe some observations and experiments that...Ch. 15.4 - Some advocates of the view that all organisms were...Ch. 15 - Whale skeletons contain nonfunctional pelvic bones...Ch. 15 - Darwin was influenced by Malthuss thinking about...Ch. 15 - Prob. 3MCCh. 15 - Which of the following is not required for...Ch. 15 - Prob. 5MCCh. 15 - The flipper of a seal is homologous with the _____...Ch. 15 - Prob. 2FIBCh. 15 - Georges Cuvier espoused a concept called ______ to...Ch. 15 - Prob. 4FIBCh. 15 - Prob. 5FIBCh. 15 - Darwin's postulate 2 states that ______. The work...Ch. 15 - Prob. 1RQCh. 15 - Distinguish between catastrophism and...Ch. 15 - Describe Lamarcks theory of inheritance of...Ch. 15 - What is natural selection? Describe how natural...Ch. 15 - Describe how evolution occurs. In your...Ch. 15 - What is convergent evolution? Give an example.Ch. 15 - How do biochemistry and molecular genetics...Ch. 15 - In what sense are humans currently acting as...Ch. 15 - In discussions of untapped human potential, It is...Ch. 15 - Does evolution through natural selection produce...
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- Provide a scientific example of evolution and/or natural selection. You can use human and/or animal examples. Describe how the animal/species developed an advantage over time or what the evolutionary process was.arrow_forwardDiscuss the process of evolution through natural selection. What could happen to the ecosystem and animals in ten, one hundred, or one thousand years? Is it feasible for them to continue evolving or do they eventually become extinct? Explain your answer concisely.arrow_forwardTOPIC: The response of an HIV strain to antiviral drugs. Research your specific example of natural selection to better understand how and why the population has changed over time. Organize your information into the presentation format below. • Step by step explanation of how a population can change over time, using your example • Description of inherited variation within the population Explanation of why some individuals are better able to survive and produce offspring • A description of the adaptation that is being favored by natural selection • Data to support explanationsarrow_forward
- Define evolution: What is decent with modification? Use Mosquitoes and DDT to explain natural selection. What does the term fitness mean in the context of evolution?arrow_forwardIndicate the appropriate mechanism(s) of evolution at work in the following: Remember that forces may oppose one another! Choose from: Non-random or Assortative mating Mutation Natural (but non-sexual) selection. etc.) Sexual selection Gene flow (Migration) Kin selection Genetic drift (Founder effect, Bottleneck, Prior to 1970 a population of moths with dark brown coloration blended in well with the trees they live on. Bird predation on the moths is very low in the population. In 1976 a deletion in the genetic code of an individual male moth occurred, resulting in a new color morph (White). The white moth was favored for mating by the wild females, and by 1980 14% of moths in the population exhibited the white color. Jays (birds that feed on moths) in the area could readily see these white moths and, once they had learned to look for them, eliminate the white moths from the population by 1981. Mechanism(s) observed from 1970-1976:arrow_forwardDescribe natural selection and give an example of natural selection at work in a population. Please elaborate or explain in 10-15 sentences, please?arrow_forward
- identify and define the four forces of evolution. provide an actual or possible real-world example of each.arrow_forwardExplain the process and importance of evolution by including the following terms (or equivalent) in your response: natural selection, adaptation, population, organism, speciation, genes, biodiversity.arrow_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
- How does genetic information provides evidence for evolution? Give species examplesarrow_forwardBriefly discuss the differences in how a selectionist (one that believes that Natural Selection is a strong evolutionary force) and a neutralist (one that believes that genetic drift is a strong evolutionary force) views the following: molecular clock, evolution of coding sequences, evolution of "pseudogenes".arrow_forward2020 Online Discussion B. Darwin's Theory Warm-Up Active Developing the Theory of Evolution WARM-UP What was Charles Darwin's contribution to the theory of evolution? O Charles Darwin was the first to express the belief that all living things are related. Charles Darwin believed that organisms had a goal to adapt and did so through the inheritance of acquired traits. Charles Darwin introduced the idea that organisms better adapted to their environment would tend to survive, reproduce, and increase in number. Charles Darwin developed the theory of population growth. DONE O Intro Activity DII 96 2, or goarrow_forward
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