Campbell Biology: Concepts & Connections (9th Edition)
9th Edition
ISBN: 9780134296012
Author: Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan, Jane B. Reece
Publisher: PEARSON
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Chapter 1, Problem 15TYK
Explain what is meant by this statement: Natural selection is an editing mechanism rather than a creative process.
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Chapter 1 Solutions
Campbell Biology: Concepts & Connections (9th Edition)
Ch. 1 - Complete the following map organizing one of...Ch. 1 - All the organisms on your campus make up a. an...Ch. 1 - Which of these is not a property of all living...Ch. 1 - Prob. 4TYKCh. 1 - Which of the following best demonstrates the unity...Ch. 1 - Prob. 6TYKCh. 1 - Which of the following is a true statement of...Ch. 1 - A biologist studying interactions among the...Ch. 1 - Which of the following best describes the logic of...Ch. 1 - In an ecosystem, how is the flow of energy similar...
Ch. 1 - Explain the role of heritable variations in...Ch. 1 - Describe the process of scientific inquiry and...Ch. 1 - Contrast technology with science. Give an example...Ch. 1 - Prob. 14TYKCh. 1 - Explain what is meant by this statement: Natural...Ch. 1 - The graph below shows the results of an experiment...Ch. 1 - SCIENTIFIC THINKING Suppose that in an experiment...Ch. 1 - The fruits of wild species of tomato are tiny...
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- Explain why mutations are necessary for natural selection to produce adaptations.arrow_forwardDefine natural selection, and describe how natural selection operates as a mechanism of evolutionary change.arrow_forwardExplain the similarities and differences between natural selcection, artificial selection and sexual selection and provide an example of each process.arrow_forward
- List and explain the three types of natural selection.arrow_forwardConsider the following statements and indicate whether each presents an idea of Jean-Baptiste Lamarck, of Charles Darwin or of both scientists. On the blank before the statement, write L for Lamarck, D for Darwin or B for both. _____ 1) An organism directs its own adaptations because of an inborn urge to be perfect (that is, to be better suited to the environment). _____ 2) Individuals do not evolve, but populations do. _____ 3) Individuals in a population exhibit variation in their traits, such that no two individuals are exactly alike. _____ 4) Many different kinds of living things are adapted to their environment. _____ 5) Members of a population who are better adapted to the environment have higher chances of survival and reproduction. _____ 6) Parents pass on their traits to their offspring. _____ 7) Species change gradually over many generations. _____ 8) Traits that an organism acquired during its lifetime can be transmitted to its offspring.arrow_forwardConsider the four postulates of natural selection. How have humans manipulated each of these postulates in natural or artificial systems?arrow_forward
- When Darwin wrote On the Origin of Species, he spent a significant amount of time on a topic he considered to be (in his words) “one special difficulty” to his theory: eusociality. Explain why eusociality constitutes a “difficulty” to the theory of evolution by natural selection, and how evolutionary biologists have been able to explain its evolutionarrow_forwardStaphylococcus aureus (staph) is a type of bacteria found on people's skin. These bacteria, along with most other types of bacteria, are usually harmless. They can occasionally cause serious infections that can lead to sepsis or death. Methicillin-resistant Staphylococcus aureus (MRSA) is difficult to treat because of resistance to some antibiotics. Use your knowledge of natural selection to explain how selection for methicillin-resistance in Staphylococcus aureus (MRSA) occurs. Focus on explaining the specifics of how this happens by talking about the variation that has to be present, the characteristics of that variation, impacts on fitness and success of the next generation. Your answer will not require any additional research and will only be a short paragraph based on what you think must be going on here based on other examples of natural selectionarrow_forwardFor evolutionary biologist a) Identify and describe the career (everyday tasks, daily routines,responsibilities, duties, etc.) b) What education is required to achieve this career (high school courses,grades, college, university programs, volunteer work, etc.)arrow_forward
- Discuss the validity of the statement “Evolution is an equal opportunity biological phenomenon”. Do you agree or disagree? Give examples that support or refute this statement.arrow_forwardWhich of the following is the best definition of a major transition in evolution? Individuals evolve traits the help them fight off rivals Formerly independent replicating individuals form a collective that reproduces together A group of individuals evolve traits that help them individually forage better Individuals evolve traits that allow them to colonize a new environment.arrow_forwardExplain why the statement, “organisms evolve in response to a change in an environment” is a common misconception in evolution.arrow_forward
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