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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Textbook Question
Chapter 53, Problem 18TYK
For a population showing exponential growth, how would r change if the
- a. an increase
- b. a decrease
- c. no change
- d. the effect cannot be predicted
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Students have asked these similar questions
Which statement about population growth is true?
A. Population growth models do not apply to humans.
B. Population growth can be exponential for only as long as environmental conditions are favorable.
C. Population growth can continue indefinitely.
D. Population growth of field samples always has a λ of approximately 1.
A good number of snail population in the stagnant waters between rice paddies is growing under natural conditions with limited resources. As the snail population increases in size, how will population density affect its growth rate?
a. Population density will increase and the rate of population growth will eventually slow.
b. Population density will remain constant and population growth will increase.
c. Population density will become unstable and population growth will stop.
d. Population density will decrease and population growth will eventually increase.
Population growth that adds the same number each year
A. Arithmetic Growth
B. Carrying Capacity
C. Intrinsic Rate of Growth
D. Exponential Growth
Chapter 53 Solutions
Study Guide for Campbell Biology
Ch. 53 - In a mark-recapture study, an ecologist traps,...Ch. 53 - Prob. 2IQCh. 53 - Define r. How does r relate to exponential growth?Ch. 53 - Label the following exponential and logistic...Ch. 53 - Prob. 5IQCh. 53 - a. List some density-dependent factors that may...Ch. 53 - What do the age structure pyramids in Figure 53.24...Ch. 53 - Create a concept map to organize your...Ch. 53 - What is the best collection of life history traits...Ch. 53 - In an area with a heterogeneous distribution of...
Ch. 53 - Which of the following statements about life...Ch. 53 - Prob. 3TYKCh. 53 - The middle of the S-shaped growth curve in the...Ch. 53 - In the logistic growth equation, which term...Ch. 53 - The term (K N)/K a. is the carrying capacity for...Ch. 53 - The carrying capacity for a population is...Ch. 53 - In order to maintain the largest sustainable fish...Ch. 53 - Immigration and emigration are likely to play a...Ch. 53 - Chimpanzee females typically first give birth at...Ch. 53 - Which of the following factors is not a...Ch. 53 - Consider a population experiencing negative...Ch. 53 - You have introduced a small number of individuals...Ch. 53 - Prob. 14TYKCh. 53 - Prob. 15TYKCh. 53 - In a population showing exponential growth, what...Ch. 53 - As a population approaches zero population growth,...Ch. 53 - For a population showing exponential growth, how...Ch. 53 - The human population is growing at such a fast...Ch. 53 - The demographic transition is the gradual shift...Ch. 53 - An ecological footprint is an estimate of a. the...
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- What is the major difference between density-dependent and density-independent factors? A. Density-dependent factors are more harmful. B. Density-independent factors affect the population despite the density. C. Density-independent factors are more harmful.arrow_forwardGiven that fertility rate is defined as each woman producing exactly enough offspring to replace herself and her offspring’s father, if the fertility rate is sustained for a generation, then which of the following is true? Select one: a. r > 1 b. 0 < r < 1 c. r = 0 and there is zero population growth d. r = 1arrow_forwardMaximum population an area can sustain A. Arithmetical Growth B. Carrying Capacity C. Intrinsic Rate of Growth D. Exponentialarrow_forward
- Population growth that is dependent on the number of individuals A. Arithmetic Growth B. Carrying Capacity C. Intrinsic Rate of Growth D. Exponential Growtharrow_forwardWhich of the following is a factor that would decrease the size of a population? A. Death rate is higher than the birth rate B. Abundant food supply C. Immigration D. Birth rate is higher than the death ratearrow_forwardIn a certain population of rabbits, 25 new rabbits are born and five move into the population from surrounding areas during a single year. However, 10 rabbits die, and five leave the population during the same time frame. What is the population change for that year? a. 30 b. No change c. 15 d. 25 e. 10arrow_forward
- The number of individuals that occur per unit area is calleda. populationb. population growth.c. carrying capacity.d. population densityarrow_forwardIn the context of the thesis supporting the tragedy of the commons, what does the word "finite" mean? A. We can draw from a resource forever, regardless of how much we use B. Resources last forever C. Resources last for a very, very long time D. Resources do NOT last foreverarrow_forwardPopulation growth is exponential for the human population. It is an example of a positive feedback cycle where with each child born, the potential number of parents increases in the future. What is the most logical conclusion as to when the human population will reach its carrying capacity? A. When a regulating factor exists that keeps the population at equilibrium B. When feedback mechanisms kick in and population growth declines below carrying capacity C. When equilibirum is reached D. When density-dependent factors come into play and population levels start to decline ❌arrow_forward
- A population’s ecological footprint is measured in terms of: a how many resources the population uses. b how much land area is needed to support its lifestyle. c the amount of waste/pollution it produces. d the number of people who live there.arrow_forwardA population that grew in close relation to the amount of resources available in the environment, would experience A. exponential growth, such as shown on the J-shaped curve B. logistic growth, such as shown on the S-shaped curve C. unpredictable growth, such as shown on the ?-shaped curve D.logistic growth, such as shown on the J-shaped curve E. exponential growth, such as shown on the S-shaped curvearrow_forwardIf the animal population increased, the amount of atmospheric carbon would: A. increase B.decrease C.stay the samearrow_forward
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