BIOLOGY:LIFE ON EARTH-W/ACCESS
11th Edition
ISBN: 9780134669076
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 3MC
Which of the following does not apply to mutations?
a. They occur to cause adaptive changes in response to the environment.
b. They are usually either harmful or neutral.
c. They are only inherited if they occur in a sperm or egg cell.
d. They often occur when DNA is copied.
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If this model continues, with no major changes to the environment, what do you expect to happen?
A) rabbits will continue to get lighter over time
B) there is no way to predict because mutations are random
C) mutations will all die out leaving only the original fur color
D) dark gray fur will become the common phenotype because it favors survival
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.
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.
Chapter 1 Solutions
BIOLOGY:LIFE ON EARTH-W/ACCESS
Ch. 1 - Evolution is a. a belief. b. a scientific theory....Ch. 1 - Prob. 2MCCh. 1 - Which of the following does not apply to...Ch. 1 - Viruses a. have DNA confined in a nucleus. b. are...Ch. 1 - Which of the following is true? a. All cells are...Ch. 1 - 1. Organisms respond to _______. Organisms acquire...Ch. 1 - Prob. 2FTBCh. 1 - Prob. 3FTBCh. 1 - An important scientific theory that explains why...Ch. 1 - 5. The molecule that guides the construction and...
Ch. 1 - What properties are shared by all forms of life?Ch. 1 - Why do organisms require energy? Where does the...Ch. 1 - Define evolution, and explain the three natural...Ch. 1 - Prob. 4RQCh. 1 - 5. What are some differences between prokaryotic...Ch. 1 - 6. What basic principles underlie scientific...Ch. 1 - What is the difference between a scientific theory...Ch. 1 - 8. What factors did Rudi control for in his open...Ch. 1 - 9. Explain the differences between inductive and...Ch. 1 - List the steps in the scientific method with a...Ch. 1 - 1. What misunderstanding causes some people to...Ch. 1 - 2. How would this textbook's definition of life...Ch. 1 - 3. Review Alexander Fleming's experiment that led...Ch. 1 - 4. Explain an instance in which your own...Ch. 1 - Prob. 5AC
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- The 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_forwardWhich 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 fitnessarrow_forwardWhich of the following is true about adaptation? a) It occurs through the inheritance of acquired characteristics b) It always results in the evolution of new traits c) It is a result of chance mutations d) It is the result of natural selection acting on heritable variationarrow_forward
- With 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_forwardEvolutionary Thought: answer the question in essay form. Explain the benefits, effects, and contributions of the Five Agents of Evolutionary Changearrow_forwardWhat result in adaptation comes from natural selection?arrow_forward
- Evolutionary biologists often say that evolution “selects for outcomes” not for the particular genetic changes that lead to that adaptive outcome. Given that perspective, is it surprising that different gene mutations might be involved in the evolution of the same trait (such as light skin or adaptation to living in high mountains)? Why or why not?arrow_forwardWhy was Jean Baptiste Lamarck wrong about the mechanism of evolution? A. Because giraffes haven't evolved in billions of years. B. Because individuals do not pass on any traits that they acquire during their lifetime. C. Because individuals can change their traits during their lifetime and pass on those traits to their offpsring. D. Because he misunderstood the structure of DNA.arrow_forwardImagine that some lizards from both islands are brought to a laboratory and lizards from each population are separately bred for a generation. The offspring resemble their parents (i.e. they look like lizards from their home island). Does this support or contradict the idea that evolution has occurred? Group of answer choices a. support because it implies that a genetic change has occurred b. contradict because the lizards were removed from the islands c. support because the phenotype matches the environment d. contradict because the environment is different in the lab e. support because it is a major change in phenotypearrow_forward
- 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_forwardIs gene transfer a form of eugenics? Is it advantageous to use gene transfer to eliminate some genetic disorders? Can this and other technology be used to influence the evolution of our species? Should there be guidelines for the use of genetic technology to control its application to human evolution? Who should create and enforce these guidelines?arrow_forwardWhat is an example of neutral evolution in humans? A. Eye Color B. Humans do not have any traits that undergo neutral evolution C. Skin Color D. Blood Typesarrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY