What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 10, Problem 10MC
Summary Introduction
Introduction:
Evolution is a constantly occurring process that can be observed in many cases. Organisms evolve to adapt to their surroundings.
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Evolutionary changes of antibiotic resistant bacteria increase the ability of a species to survive and reproduce under any circumstances (True or false) give explaination for answer?
Describe how scientists use each of the following as evidence for evolution;
a. Bacterial resistance to antibiotics
b. Comparative biochemistry
c. The fossil records
Mutations cause variations among individuals. If these variations provide an advantage to individuals, then the resulting traits are known as adaptations. Which of the following statements about adaptations is incorrect?
A. They are structural or physiological in nature.
B. They modify the behaviour of organisms.
C. They provide a selective advantage in any environment.
D .They increase reproductive success of organisms.
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What Is Life? A Guide to Biology with Physiology
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Evolution is based on which of the following concepts? (a) organisms share a common origin (b) over time, organisms have diverged from a common ancestor (c) an animals body parts can change over its lifetime, and these acquired changes are passed to the next generation (d) a and b (e) a, b, and carrow_forwardBacteria that were once treatable through the application of antibiotics are now resistant to them, causing severe infections in hospital patients. This is a case of Natural Selection where __________act as the selective agent. A: humans B: Poisons C: environmental changes D: None of these answers are truearrow_forwardWith regard to biological evolution, which of the following statements is incorrect? Explain why.A. During its lifetime, an animal evolves to become better adaptedto its environment.B. The process of biological evolution has produced species thatare better adapted to their environments.C. When an animal is better adapted to its environment, the process of natural selection makes it more likely that the animalwill reproduce.arrow_forward
- Evolution is one of the major unifying concepts of modern biology. Explain the mechanisms that lead to evolutionary change.arrow_forwardEVOLUTION LINK Charles Darwin once said, It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change. Explain what he meant.arrow_forwardDNA (a) is produced during cellular respiration (b) functions mainly to transmit information from one species to another (c) cannot be changed (d) is a good example of a biological system (e) makes up the genesarrow_forward
- Consider the figure attached. A student in a course on intelligent design theory claims that the graph in part (a) shows that losing the ability to respire actually is adaptive for yeast cells living in small populations. Please read the incomplete sentence that appears immediately below, assess as possible completions the lowercase-Roman-numeral-labelled statements that follow, and click each uppercase-letter-labelled response that is presented below and completes accurately the sentence. An astute student in an evolution course would respond that i. the graph in part (a) shows that selection among mitochondria within yeast cells can lead to fixation for traits that decrease mean fitness for that yeast population. ii. the student in the course on intelligent design is wrong; the yeast cells in the small population group retained completely the ability to respire, as they otherwise would have been unable to harvest energy. iii. a property (e.g., inability to respire) that is…arrow_forwardScience fiction movies have been known to sketch out a world of the near-future where terrible things have happened such as the evolution of antibiotic resistance in flesh-eating bacteria. What might we reasonably say about this topic? (Select all that apply) A - While one can have fun with entertaining stories about evolution (including ones that are very plausible), this is not a good reason to fund research on antibiotics because that is a solved medical problem. B - It has already happened with some early antibiotics (like penicillin)-the only reason we are momentarily okay is the continued development of additional antibiotics. C - In principle, it is possible but evolution takes millions of years, so don't expect it in the near-future. D - The bodies of humans have evolved since the discovery of antibiotics such that they are less and less effective already. E - We shouldn't find antibiotic resistance to be evidence for evolution because it is only a science-fiction story: it…arrow_forwardEvolution: Describe an example of another species that has undergone evolution in response to human-driven changes to its environment.arrow_forward
- The media has recently reported that a high number of patients while staying in the hospital, are gettinginfections caused by antibiotic-resistant bacteria. Using evolutionary theory, explain how this could occur.arrow_forwardEVOLUTION LINK. In what ways does evolution depend on transfer of information? In what ways does transfer of information depend on evolution?arrow_forwardThe fact that DNA sequences are more similar in more closely related organisms is evidence of what? a. optimal design in organisms b. adaptation c. mutation d. descent with modificationarrow_forward
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