Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 16, Problem 5FIB
Competition is most Intense between members of a(n) _________. Predators and their prey act as agents of ________ on one another, resulting in a form of evolution called ________. This results in the evolution of characteristics called ________ that help both predators and their prey survive and reproduce.
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A) True
B) False
Chapter 16 Solutions
Biology
Ch. 16.1 - define evolution in terms of concepts from...Ch. 16.1 - define equilibrium population and describe the...Ch. 16.2 - If it were true that mutations do occur in...Ch. 16.2 - Explain how the distribution of genotypes in...Ch. 16.2 - A flu vaccination stimulates your immune system to...Ch. 16.2 - Prob. 3TCCh. 16.2 - If a population grows large again after a...Ch. 16.2 - Prob. 5TCCh. 16.2 - Evolution of a Menace The mutant alleles that...Ch. 16.2 - describe how mutation, gene flow, genetic drift,...
Ch. 16.3 - A team of phys clans treated four patients with...Ch. 16.3 - If we studied a population of bighorn sheep and...Ch. 16.3 - When selection is directional, is there any limit...Ch. 16.3 - describe why selection of phenotypes can affect...Ch. 16.3 - explain how competition and predation influence...Ch. 16.3 - Prob. 3CYLCh. 16.3 - compare and contrast directional selection,...Ch. 16.3 - Microbiologists have discovered that alleles...Ch. 16 - The alleles responsible for antibiotic resistance...Ch. 16 - Stabilizing selection on a trait tends to a. make...Ch. 16 - An adaptation is a. any trait that arises from a...Ch. 16 - Which of the following statements about mutations...Ch. 16 - Genetic drift occurs a. when different phenotypes...Ch. 16 - The ______ provides a simple mathematical model...Ch. 16 - Different versions of the same gene are called...Ch. 16 - An organisms ______ refers to the specific alleles...Ch. 16 - A random form of evolution is called ________....Ch. 16 - Competition is most Intense between members of...Ch. 16 - The evolutionary fitness of an organism is...Ch. 16 - What is a gene pool? How would you determine the...Ch. 16 - Define equilibrium population. Outline the...Ch. 16 - How does population size affect the likelihood of...Ch. 16 - If you measured the allele frequencies of a gene...Ch. 16 - People like to say that you cant prove a negative....Ch. 16 - Describe the three ways in which natural selection...Ch. 16 - What is sexual selection? How is sexual selection...Ch. 16 - In North America, the average height of adult...Ch. 16 - By the 1940s, the whooping crane population had...
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- According to Darwin's theory of natural selection, how do organisms adapt in a given environment? Group of answer choices choices made by plant and animal breeders possession of adaptations developed through use possession of inherited adaptations that maximize fitness lack of competition within the speciesarrow_forwardA polar bear is leaving the ice caps because they are melting. The polar bear enters a wooded area with limited snow. Describe how natural selection would affect the polar bear's relationship with its ecological surroundings.arrow_forwardApproximately 14,000 years ago, the climate in North America began to warm rapidly. At the same time, human hunters migrated to the continent. Which of these most likely resulted from a combination of these two factors? an increase in the rate of large mammal extinctions a reduction in the rate of species change an increase in the amount of interspecies cooperation a reduction in the total number of small parasitic insectsarrow_forward
- You arrive on an island that has not been previously studied by biologists. You discover a number of species of snails that bright colored shells and bodies with black bands. What type of species interaction is most likely to be the cause of natural selection for these colors? Group of answer choices a. predation b. competition c. mutualism d. commensalismarrow_forwardWhich of the following are not agents of natural selection? Select one: A. Neutral interaction with another species B. Competition among individuals for food and water C. Competition among members of a population for prime nesting sites D. Predation by another speciesarrow_forwardBats and birds eating insects at different times of day is an example of competitive exclusion resource partitioning natural selection survival of the fittestarrow_forward
- Natural selection occurs when which of the following conditions are met? Individual organisms depend on each other to obtain available resources • Variations between individual organisms lead to differential survival chances Habitat and nutrient resources in an area are plentiful over a long period of time The conditions in an ecosystem support a wide range of living organismsarrow_forwardWhich of the following would likely not be a result of character displacement? A: The competition between 5 beetle species living in the same area is lessenedB: One of the four bird species on an island goes extinctC: Coevolution of plants and pollinatorsD: Two lizard species in the same area evolve the ability to feed on different insectsarrow_forwardScenario: Natural selection is a process by which organisms with favorable traits produce more successful offspring than organisms with less favorable traits, causing the favorable traits to become more common in the population. In the southern United States, two different tree frog species, green tree frogs and gray tree frogs, are an example of this. They both live in some of the same parts of the country and eat the same things. They both also live off of the ground and lay eggs in water. Can you write a scientific explanation that explains why the tree frog species are different colors? Claim: Evidence: Reasoning:arrow_forward
- A population has several generations of random mate choice followed by a generation of nonrandom mate choice. The effect of this generation of nonrandom mate choice is ____. a new evolutionary pattern due to nonrandom mate choice would begin equilibrium (no change between the random generations and the nonrandom generation) a reversal of the evolutionary pattern set by random generations due to a generation of nonrandom mate choicearrow_forwardThe graph in Figure 3 represents the beak sizes of the offspring of the birds that survived the drought of1977. (The survivors were represented by the black bars in Figure 2, and this graph shows the beak depth distribution of their offspring in 1978.) Explain the observed change in beak characteristics using the following concepts in your answer: competition, survival of the fittest, inheritance.arrow_forwardWhich of the following best describes the biological significance of genetic diversity between populations? A) Genes for traits conferring an advantage to local conditions are unlikely. B) Diseases and parasites are not spread between separated populations. C) Genetic diversity reduces the probability of extinction. D) The population that is most fit would survive by competitive exclusion.arrow_forward
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