Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 1, Problem 11TYK
Summary Introduction
Introduction: Evolution is the major theme in biology and is the framework for natural sciences. Evolution provides evidence that organisms have changed over periods of time, interrelated through their common ancestry. The evolution helps to adapt to the changing conditions and thus helps for survival. Adaptation is one of the mechanisms of evolution.
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Which of the following does not support the idea of descent with modification?
A.
Organisms and the cells that they are composed of arise from DNA
B.
When organisms reproduce they generate new copies of DNA to pass down to their offspring
C.
We inherit traits from our ancestors because in possess molecules of their DNA that you received from your parents
D.
In the process of DNA replication, mutations occur with the goal of increasing an organism's fitness
Consider the trait in Figure 22.5a. Which statement about this trait is correct? Please choose the best option. a) In humans, the trait cannot be explained by the theory of evolution by natural selection.
b. In humans, the trait improves the biological fitness of individuals.
c. In humans, the trait is similar to a functional version of the trait in closely related species.
d. Humans lack vestigial traits
The fact that DNA sequences are more similar in more closely related organisms is evidence of what?a. optimal design in organismsb. adaptationc. mutationd. descent with modification
Chapter 1 Solutions
Study Guide for Campbell Biology
Ch. 1 - Prob. 1IQCh. 1 - Describe the pathway from DNA nucleotides to...Ch. 1 - Explain how the movement of energy in an ecosystem...Ch. 1 - What is a commonly used criterion for placing...Ch. 1 - Describe in your own words Darwins theory of...Ch. 1 - Prob. 6IQCh. 1 - a. Compare hypotheses and theories. b. Compare...Ch. 1 - a. Compare hypotheses and theories. b. Compare...Ch. 1 - The overarching theme of biology is a. scientific...Ch. 1 - Prob. 2TYK
Ch. 1 - Why can a hypothesis never be proven to be true?...Ch. 1 - Which of the following statements is an example of...Ch. 1 - The smallest unit that shows the emergent...Ch. 1 - In a pond sample, you find a unicellular organism...Ch. 1 - A biologist studying interactions among...Ch. 1 - With respect to information flow, transcription is...Ch. 1 - Prob. 9TYKCh. 1 - Which of the following themes of biology is most...Ch. 1 - Prob. 11TYKCh. 1 - Which of the following best accounts for the...
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- Which of the following best explains the role mutations play in natural selection?A. Most mutations are negative and result in the extinction of the entire speciesB. Mutations may appear for one or two generations, but they usually disappear quickly.C. If the environment changes, an existing organism develops a mutation that will help them to survive.D. Some mutations give individuals an advantage in their environment, allowing them to survive and reproduce.D is my answer is it correct?arrow_forwardDescribe the modern theory of evolution and discuss how it is supported by evidence from two of the following three areas. a. Population genetics b. Molecular biology c. Comparative anatomy and embryologyarrow_forwardDescribe the modem theory of evolution and discuss how it is supported by evidence from two of the following three areas. a. Population genetics b. Molecular biology c. Comparative anatomy and embryologyarrow_forward
- In Darwin's theory of natural selection, which of the following is a source of evolution: a. Individuals with random mutations who die without reproducing. b. Individuals with random mutations who are able to reproduce. c. Individuals who do not vary from their progenitors. d. Intelligent and purposeful design.arrow_forwardIn Darwin's theory of natural selection, which of the following is a source of evolution: a.Individuals who do not vary from their progenitors. b.Intelligent and purposeful design. c.Individuals with random mutations who are able to reproduce. d.Individuals with random mutations who die without reproducing.arrow_forwardThe process that involves passing on genetic informationbetween generations is calleda. natural selection.b. reproduction.c. development.d. metabolism.arrow_forward
- describe the modern theory of evoluton and discuss how it is supported by evidence from two of the following three areas a.population genetics b.molecular biology c.comparative anatomy and embryology evolution is one of the major unifying concepts of modern biology.explain the mechanism that lead to evolutionary change.describe how scientists use each of the following as evidence fornevolution a.bacterial resistance to antibiotics b.comparative biochemistry c.the fossil recordsarrow_forwardThe challenge in using sequence data to estimate the evolutionary tree for all living things is to find a gene that shows recognizable sequence similarities even between highly distantly related species . Which of the following should NOT be among the features of this gene? A. The gene subject to strong diversifying selection. B. It is present in all organisms. C. It encodes a product whose function is essential. D. The function of the gene must have remained the same in all organisms.arrow_forwardDiscuss the significance of mutations and explain the role of the environment in the evolutionary process. (Hint: Consider Lenski's study and what is demonstrated. Do not re-tell Lenski’s study)arrow_forward
- Are gene mutations caused by selective pressures in the environment? In other words, do gene mutations arise in an organism out of need or want? Group of answer choices A. No, because gene mutations are not purely random. B. Yes, because gene mutations are not purely random. C. No, because gene mutations are purely random. D. Yes, because gene mutations are purely random.arrow_forwardOf the following functions, the major purpose of RNA is to Group of answer choices A. act as a pattern or blueprint to form DNA B. function in the synthesis of protein C. transmit genetic information to offspring D. make a copy of itself, thus ensuring genetic continuity E. form the genes of higher organismsarrow_forwardOf the following, which is the least plausible hypothesis for why natural selection has not eliminated genes for male homosexuality? a. Perhaps the relatives of a homosexual male have more than an average number of children. b. Homosexual people might spread their genes by helping their brothers and sisters rear their children. c. Maybe there is no gene for homosexuality. Instead, an environmental event produces an epigenetic effect that can be transmitted from one generation to the next. d. Some homosexual men have children.arrow_forward
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