Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Chapter 13.5, Problem 1CR
What is fitness? To what degree does fitness depend on the environment in which organisms live?
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What is meant by "fitness"?
What is NOT one of the 5 components of fitness??
Does fitness(as used in biology) and survival have the same meaning? Why or why not?
Chapter 13 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 13.1 - What characteristics would have made the surface...Ch. 13.1 - How do we know when oceans were first present on...Ch. 13.1 - What lines of reasoning support the hypothesis...Ch. 13.1 - What is LUCA, and what is a plausible explanation...Ch. 13.2 - Why is the origin of cyanobacteria considered a...Ch. 13.2 - What caused the development of banded iron...Ch. 13.2 - What lines of evidence indicate that microbial...Ch. 13.2 - Why was the origin of cyanobacteria of such...Ch. 13.3 - What kinds of evidence support the three-domain...Ch. 13.3 - What is LUCA and what are some of its...
Ch. 13.3 - Which of the three domains is the least ancient?Ch. 13.3 - What evidence supports the classification of life...Ch. 13.4 - What evidence supports the idea that the...Ch. 13.4 - In what ways are modern eukaryotes a combination...Ch. 13.4 - Describe the different hypotheses for the...Ch. 13.4 - What is the endosymbiotic hypothesis for the...Ch. 13.5 - What are the different processes that give rise to...Ch. 13.5 - What is the difference between selection and...Ch. 13.5 - In the experiment of Figure 13.12, why did the...Ch. 13.5 - What is fitness? To what degree does fitness...Ch. 13.6 - What is the difference between the core and pan...Ch. 13.6 - What kind of recombination might have the greatest...Ch. 13.6 - What effects do deletions have on the evolution of...Ch. 13.6 - What are some processes that influence the content...Ch. 13.7 - How are DNA sequences obtained for phylogenetic...Ch. 13.7 - What does a phylogenetic tree depict?Ch. 13.7 - Prob. 3MQCh. 13.7 - What is the difference between a gene tree and an...Ch. 13.8 - What is the difference between taxonomy and...Ch. 13.8 - What are some key criteria from the phylogenetic...Ch. 13.8 - How many species of Bacteria and Archaea have been...Ch. 13.8 - What is the "species problem" and why is the...Ch. 13.9 - What class of genes is used in MLST analyses?Ch. 13.9 - How is ribotyping different from rep-PCR?Ch. 13.9 - What is FAME analysis?Ch. 13.9 - Prob. 1CRCh. 13.10 - What roles do culture collections play in...Ch. 13.10 - What is the IJSEM and what taxonomic function does...Ch. 13.10 - Why might viable cell cultures be of more use in...Ch. 13.10 - Prob. 1CRCh. 13 - Compare and contrast the physical and chemical...Ch. 13 - For the following sequences, construct the...Ch. 13 - Imagine that you have been given several bacterial...Ch. 13 - Imagine that you have discovered a new form of...
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- What is the difference between functional movement and functional fitness?arrow_forwardFitness is, correctly, a technical term. What does it mean?arrow_forwardWhich of the following is true about fitness? a) It refers to the physical strength of an individual b) It is determined solely by an individual's genotype c) It is the same thing as survival d) It is the ability of an individual to reproduce and pass on its genes to the next generationarrow_forward
- Describe why fitness has a molecular basis. How does DNA play a role in an organism's fitness? Is DNA the only way an organism's fitness can be increased?arrow_forward6)Which one of these statements about fitness is most accurate? a)Fitness is a measure of strength & health b)Fitness can only be measured at the population level c)Fitness may change at a population level, but is constant for an individual d)Fitness is an overall measurement that applies to all evolutionary mechanisms e)Fitness is a measure of reproductive successarrow_forwardBigger dogs will have more puppies than smaller dogs in a litter. What is the independent variable, dependent variable, constant, and control group?arrow_forward
- How is variation different from adaptation? * Variations are physical or behavioral traits that make an organism better suited to its environment while adaptation comes from random mutations. no answer Variation is a difference within an individual organism from the rest of the population. An adaptation is a feature that helps an organism survive in its environment. Adaptation is a difference within an individual organism from the rest of the population. A variation is a feature that helps an organism survive in its environment. Variation is always caused by mutation while adaptation is a heritable trait. Which of the following BEST explains Darwin's observation on populations of various species that seemed well-suited to their environment? * Species had been introduced to particular areas by humans on purpose. no answer Species might be able to adapt to their surroundings over time. The species Darwin saw were all related to each other. Some environments rarely ever change.arrow_forwardWhich statement about the relationship between specialization and obligacy are true? Some but not all specialized interactions are obligate. All specialized interactions are also obligate. "Specialized" and "obligate" mean the same thing. Interactions are either specialized or obligate, but never both.arrow_forwardWhat is evolution?arrow_forward
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