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 22, Problem 17TYK
Evolution by natural selection would be impossible in a population
- a. that has been removed from its natural environment.
- b. in which all individuals have the same number of surviving and fertile offspring.
- c. of microorganisms that are haploid and have a very short life span.
- d. that is not increasing because it has reached the environmental limits to its growth.
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Students have asked these similar questions
Select the statement that does NOT support the origin of excavates that lack plastids, have highly reduced mitochondria and are parasites:
A.
These parasites typically live in low-oxygen conditions and therefore loss of genes for plastids and mitochondria did not result in lower fitness
B.
The original, eukaryotic ancestors of these parasites did not engulf prokaryotes
C.
These parasites typically live in low-oxygen conditions, and many of their mitochondrial genes move to the nucleus
What is the most likely evolutionary advantage of sexual reproduction?
a. Sexual reproduction is more efficient than asexual reproduction
b. Sexual production minimizes adverse mutations
c. Sexual reproduction is associated with faster recombination.
d. Sexual reproduction leads to significant genetic recombination.
e. Sexual recombination is associated with more numerous offspring
Which of the following is unnecessary for adaptation?
a. Replication
b. Selection
C. Time
d. Competition
e. Variation
Over the past several decades, natural selection has caused populations of Staphylococcus aureus (an infectious wound bacterium) to evolve resistance to most antibiotics. If antibiotic use were stopped, what would you predict would happen to these S. aureus populations?
A.
Horizontal gene transfer would increase
B.
The populations will begin colonizing new environments.
C.
The frequency of resistant forms will definitely increase in these populations.
D.
They will go extinct without the antibiotic.
E.
The frequency of nonresistant forms will increase in these populations.
Chapter 22 Solutions
Study Guide for Campbell Biology
Ch. 22 - a. Write the capital letter representing the...Ch. 22 - List the two observations from which Darwin drew...Ch. 22 - a. Explain how the rapid evolution of drug...Ch. 22 - Complete the following concept map that summarizes...Ch. 22 - Explain in your own words the main components of...Ch. 22 - Briefly explain the following statement: In...Ch. 22 - Which of the following slogans best describes the...Ch. 22 - Which of the following scientists proposed that...Ch. 22 - Darwin proposed that new species evolve from...Ch. 22 - Each of the following influenced Darwin as he...
Ch. 22 - Darwins publication of On the Origin of Species...Ch. 22 - The smallest unit that can evolve is a(n) a....Ch. 22 - Which of the following statements is not...Ch. 22 - Darwin observed that organisms are capable of...Ch. 22 - What might you conclude from the observation that...Ch. 22 - The remnants of pelvic and leg bones in a snake a....Ch. 22 - The hypothesis that whales evolved from...Ch. 22 - Which of the following sources of evidence...Ch. 22 - When cytochrome c molecules are compared, yeasts...Ch. 22 - Which of the following is an example of convergent...Ch. 22 - Prob. 15TYKCh. 22 - Use the following evolutionary tree representing...Ch. 22 - Evolution by natural selection would be impossible...
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- You are examining an organism you believe to be an animal. Which of the following would NOT support your hypothesis? O A The organism appears to be heterotrophic. O B The organism appears to be multicellular. O C The organism appears to be motile. O D The organism appears to have cell walls. O E All animals, including sponges, have development directed by Hox genes.arrow_forwardWhy is multicellularity adaptive?a. Multicellular organisms reproduce more quickly than unicellularorganisms.b. Cells work together, each specializing in specific functions.c. Multicellular organisms are motile, whereas unicellular organismsare not.d. All of the above are correct.arrow_forwardwhich statement is false? 1)In the context of the evolution of senescence, the aphorism "live fast and die young" means that organisms with a more risky behavior will have a shorter life span. 2)Allopatric speciation is a type of speciation process that takes place in different geographic locations.arrow_forward
- Which of the following individuals would be considered to have the greatest evolutionary fitness? a. Olympic speed skater with one child b. an overweight person with three children c. a woman who had six children, none of whom (the children) survived to adulthood d. a single mom who adopted eight childrenarrow_forwardUnder a simple model, the evolution of asexual reproduction strategies will take over a population. The model relies on two assumptions. Which of the following are the assumptions? a. Reproductive mode does not affect how many offspring are produced by a female. b. Reproductive mode does not affect the sexual selection on males c. Reproductive mode does not affect the probability of offspring survival d. Both a. and b. e. Both a. and c.arrow_forwardWhich 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.arrow_forward
- In eukaryotes, the genetic material is found in chromosomes,a. and the more complex the organism, the more pairs of chromosomes it has.b. and many organisms have only one chromosome.c. and most eukaryotes have between 10 and 50 pairs of chromosomes.d. and most eukaryotes have between two and 10 pairs of chromosomes.arrow_forwardWhich of the following statements does not support how prokaryotes have a large amount of genetic variation A. The mutation rate in prokaryotes is not particularly high B. Prokaryotes have extremely short generation times and large populations C. They can exchange DNA with many types of prokaryotes by way of horizontal gene transfer D. They have a relatively small genomearrow_forwardWhich of the following best describes Muller's ratchet? a. Asexually reproducing lineages are more prone to attack from parasites. b. Asexually reproducing species are less likely to go extinct over time. c. Asexually reproducing species accumulate mutations and can not remove them from lineages because mutations are passed down to all offspring. d. Asexually reproducing species are less likely to evolve parental care over time.arrow_forward
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