1 SEM CARDLESS ACC W/RAVEN TEXT
12th Edition
ISBN: 9781265321062
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 54.6, Problem 2LO
Summary Introduction
Todescribe: Thereason behind the cycling of population size.
Introduction: The population size is affected by several factors. Some of these factors depend explicitly on the
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Population over Time
Time (years)
Which population description is most likely represented by the graph?
A. A population of birds quickly increases but then becomes stable due to limiting factors in the
environment.
B. A population of mice slowly increases but then fluctuates seasonally as predators raise their
young and limit prey populations.
C.A population of fish quickly increases in the spring when there is plenty of food but then
decreases quickly in the fall when food is limited.
D. A population of wolves slowly increases because of limiting factors in the environment but
then increases constantly when additional prey migratesinto the environment.
Number of Individuals
in Population
Use the information given below to answer the next
question.
The allele for brown eyes in human beings is
dominant over that for blue eyes. Out of 50
individuals in a human population, 8 have blue
eyes and 42 have brown eyes.
The frequency of the recessive allele in the above
population is
Use a specific example to explain how population density may change for people
living in one country without any change in population size.
of
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Chapter 54 Solutions
1 SEM CARDLESS ACC W/RAVEN TEXT
Ch. 54.1 - Prob. 1LOCh. 54.1 - Prob. 2LOCh. 54.1 - Explain how species adapt to environmental...Ch. 54.2 - Prob. 1LOCh. 54.2 - Prob. 2LOCh. 54.3 - Prob. 1LOCh. 54.3 - Prob. 2LOCh. 54.3 - Prob. 3LOCh. 54.4 - Prob. 1LOCh. 54.4 - Prob. 2LO
Ch. 54.5 - Prob. 1LOCh. 54.5 - Discuss why populations cannot grow exponentially...Ch. 54.5 - Define carrying capacity and explain what might...Ch. 54.6 - Prob. 1LOCh. 54.6 - Prob. 2LOCh. 54.6 - Prob. 3LOCh. 54.7 - Prob. 1LOCh. 54.7 - Prob. 2LOCh. 54.7 - Prob. 3LOCh. 54 - Prob. 1DACh. 54 - Prob. 2DACh. 54 - Prob. 3DACh. 54 - Prob. 4DACh. 54 - Prob. 5DACh. 54 - Prob. 6DACh. 54 - Prob. 1IQCh. 54 - Prob. 2IQCh. 54 - Prob. 3IQCh. 54 - Prob. 4IQCh. 54 - Prob. 5IQCh. 54 - Prob. 6IQCh. 54 - Prob. 7IQCh. 54 - Prob. 8IQCh. 54 - Suppose experimenters artificially kept the hare...Ch. 54 - Prob. 10IQCh. 54 - Prob. 11IQCh. 54 - Prob. 12IQCh. 54 - Source-sink metapopulations are distinct from...Ch. 54 - The potential for social interactions among...Ch. 54 - When ecologists talk about the cost of...Ch. 54 - Prob. 4UCh. 54 - The difference between exponential and logistic...Ch. 54 - Prob. 6UCh. 54 - Which of the following is an example of a...Ch. 54 - If the size of a population is reduced due to a...Ch. 54 - In populations subjected to high levels of...Ch. 54 - In a population in which individuals are uniformly...Ch. 54 - Prob. 4ACh. 54 - Refer to figure 55.8. What are the implications...Ch. 54 - Prob. 2SCh. 54 - Refer to figure 55.14. Because the number of...Ch. 54 - Refer to figure 55.26. Would increasing the mean...
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- Which statement least applies to the concept of fitness? A. Measures of fitness include mating sucess and fecundity. B. It is trait featured among organisms which survived a bottleneck event. C. Reproductive sucess of individuals can be enhanced by their social behaviors within a group. D. Fitness among individuals in a population can vary due to differential reproduction.arrow_forwardExamine your environment or near local ecosystem and look for the species having variations in appearance. Give an example of a species and its example of variation? explain how these variations affect their fitness-the rate of survival and reproduction. Make a journalarrow_forwardMake a prediction of how a population of animals behave if the population exceeds the carrying capacity of their habitats.arrow_forward
- Evaluate how altering one of the factors that causes the gene pool to change would ultimately affect the diversity and growth of a particular population.arrow_forwardUse the information and the image to answer the following question. The bird in the picture feeds on mice. A large forest fire resulted in a layer of ash that darkened the soil in which the mice lived. The illustration shows the distribution of the mice over time. picture which could be a statement about why the color distribution in the mouse population changed over time. Provide evidence to support your claimarrow_forwardIn honey bee colonies, the queen produces sterile offspring that protect the nest and forage for food. Assess how this altruistic behavior may have arisen through natural selection. Explain your answer in one to two sentences.arrow_forward
- Which is required for a population to evolve?a. genetic diversity c. gene flowb. selection pressure d. none of the abovearrow_forwardUse studies of natural selection in British moth populations to illustrate the hypothetico-deductive method of science.arrow_forwardHumans cut down a forest to build a mall. Which population has adaptations that make it most likely to survive? A. Coyotes that need a large area to hunt B. Raccoons that can eat a variety of foods C. Birds that only nest in certain tree speciesarrow_forward
- In honey bee colonies, the queen produces sterile offspring that protect the nest and forage for food. Assess how this altruistic behavior may have arisen through natural selectionarrow_forwardWhich of these is the least acceptable explanation for how an altruistic gene might spread in a population? a. Selection for a gene that benefits the individuals’ relatives b. Selection for helping individuals who might return the favor c. Selection for genes that benefit the species d. Selection for groups that are more cooperative than other groupsarrow_forwardGive typing answer with explanation and conclusion Scientists are trying to estimate the size of a bird species whose local population is 325. Since they cannot see all 325 at once, they will estimate it using mark-recapture methods. They initially capture 64 individuals, mark them, and release them. They then recapture 50. What is the most likely number of MARKED birds in their recapture sample? (You may need to round up or down for the correct answer.) Multiple Choice -50 -1 -10 -5 -0 -253arrow_forward
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