Bio 121 Campbell Biology Truman College
17th Edition
ISBN: 9781323670637
Author: Urry, Cain
Publisher: PEARSON
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Chapter 22, Problem 1TYU
Level 1: Knowledge/Comprehension
1. Which of the following is not an Observation or inference on which natural selection is based?
- (A) There is heritable Variation among individuals.
- (B) Poorly adaptcd individuals ncver producc offspring.
- (C) Species produce more offspring than the environment can support.
- (D) Only a fraction of an individual's offspring may survive.
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Define natural selection using the 5 points below to explain its role in understanding primate behavior.
(1) there is variation among individuals;
(2) some of that variation is heritable;
(3) there is always competition between individuals for resources;
(4) some variants outcompete other variants and leave more offspring;
(5) to the extent that the parent's traits are heritable, then a larger portion of the next generation will reflect those traits.
Which of the following is not true of natural selection?(a) natural selection acts to preserve favorable traits and eliminate unfavorable traits (b) the offspring of individuals that are better adapted to the environment will make up a larger proportion of the next generation (c) natural selection directs the course of evolution by preserving the traitsacquired during an individual’s lifetime (d) natural selection Test Your Understanding acts on a population’s genetic variability, which arisesthrough mutation (e) natural selection may result in changes in allele frequencies in a population
Natural selection allows certain species to survive. The organisms that survive are those best adapted to their environment. Does natural selection make organisms more complex and perfect?
Chapter 22 Solutions
Bio 121 Campbell Biology Truman College
Ch. 22.1 - How did Hutton's and Lyell's ideas influence...Ch. 22.1 - MAKE CONNECTIONS Scientific hypotheses must be...Ch. 22.2 - How does the concept of descent with modification...Ch. 22.2 - WHAT IF? If you discovered a fossil of an extinct...Ch. 22.2 - MAKE CONNECTIONS Review the relationship between...Ch. 22.3 - Explain how the following Statement is inaccurate:...Ch. 22.3 - How does evolution account for (a) the similar...Ch. 22.3 - Prob. 3CCCh. 22 - Why was the age of Barth important for Darwin's...Ch. 22 - Describe how overreproduction and heritable...
Ch. 22 - Summarize the different lines of evidence...Ch. 22 - Level 1: Knowledge/Comprehension 1. Which of the...Ch. 22 - Which of the following observations helped Darwin...Ch. 22 - Prob. 3TYUCh. 22 - Prob. 4TYUCh. 22 - DNA sequences in manv human genes are very similar...Ch. 22 - EVOLUTION CONNECTION Explain why anatomical and...Ch. 22 - SCIENTIFIC INQUIRY DRAW IT Mosquitoes resistant...Ch. 22 - WRITE ABOUT A THEME: INTERACTIONS Write a Short...Ch. 22 - SYNTHESIZE YOUR KNOWLEDGE This honeypot ant (genus...
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- Which of the following best describes natural selection? O It is a guess made by scientists about how life develops, but it has no hard evidence to support it. It is the idea that the strong survive and the weak die off. It is the idea that organisms with genetic traits that improve their ability to reproduce are more likely to pass those traits on to future generations. It is the idea that organisms naturally increase in complexity and intelligence with time.arrow_forwardUnlike natural selection, is not related to an individual’s ability to survive and may result in offspring that are less well adapted to survive in a particular environment. (a) genetic drift (b) sexual selection (c) directional selection (d) convergent evolutionarrow_forwardIn your own understanding, explain in your own words the given quotation below. "Natural selection will not remove ignorance from future generations."-Richard Dawkinsarrow_forward
- What effect does the level at which natural selection operates (genes, individuals, or groups) have on human free will?arrow_forwardOne of the lines of evidence that led Darwin to the theory of natural selection was his study of artificial selection. Plant breeders and pigeon breeders select offspring with specific traits in mind beforehand. a) However, since humans are an integral part of the natural world, do you think that artificial selection might be more appropriately termed “natural selection”? Why?arrow_forwardIn a minimum of 5 sentences, expound the quote "Natural selection will not remove ignorance from future generations." by Richard Dawkinsarrow_forward
- 1. Choose one example of natural selection to investigate. Some examples of observed cases of natural selection include (but are not limited to): Cite information OA mussel population's response to the introduction of the Asian shore crab. DA peppered moth population's response to pollution (i.e., industrial melanism). O COVID-19: Virus Evolution. Highlighted means" CHOSEN TOPIC" 2. 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. Cite information. O Step by step explanation of how apopulation can change over time, using your example O Descriptlon of Inherlted varlatlon withiin the populatlon O Explanation of why some individuals are better able to survive and produce offspring O A description of the adaptation that is being favored by natural selection O Data to support explanationsarrow_forwardWhich of the following statements about natural selection is not true? O Natural selection operates according to differential reproductive success of individuals. O Natural selection usually predominates in small population only. O The cumulative effects of natural selection gives rise to individuals that can survive in a specific environment. O Natural selection results in evolution when individuals with higher survival and reproductive rates pass on these traits to their offspring.arrow_forwardBackground: In class we did a project about m and m’s and there ability to evolve and natural selection. (Yes I know they can’t actually evolve it was just used as a example in class) however I can’t figure out this question. Occasionally a mutant may occur and produce a candy that is misshapen or Pointier or flatter than the rest. Often this proves to be a weakness, but a rare mutation may confer extra M&M durability. Other mutations in M&Ms could occur ( like ones that result in a new color). A mutant un you population represents a new _________. What goes in the blankarrow_forward
- State 5 facts and 3 inferences Darwin used to construct the theory of Natural Selection. I'm confused I've listed overproduction, variation, and adaptation as the three inferences, but I do not know what to put for facts because what I've listed might belong under the facts category. Thanks!arrow_forwardFour of the five factors below support the mechanism of natural selection. In contrast, the fifth factor blocks natural selection from occurring. Which one of the factors listed below does NOT lead to natural selection, but instead stops it from occurring? O Characteristics are inherited - passed from parent to offspring. O Organisms in a population are identical to each other. O There is competition among organisms in a population. O More offspring are born than can survive. O Organisms in a population vary in characteristics that affect how well they survive and reproduce. o o oOarrow_forwardNatural selection requires all of the following except?arrow_forward
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