Campbell Biology: Australian And New Zealand Edition + Mastering Biology With Etext
11th Edition
ISBN: 9781488687075
Author: Lisa, A. Urry
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 53, Problem 1TYU
Population ecologists follow the fate of same-age cohorts to
- (A) determine a population's
carrying capacity . - (B) determine the birth rate and death rate of each group in a population.
- (C) determine if a population is regulated by density-dependent processes.
(L)) determine the factors that affect the
size of a population .
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Which curve on the graph represents a species that produces high numbers of offspring with little paternal care?
a) Graph 1
b) Graph 2
c) Graph 3
d) Graph 4
The observation that members of a population are uniformlydistributed suggests that(A) resources are distributed unevenly.(B) the members of the population are competing for access toa resource.(C) the members of the population are neither attracted to norrepelled by one another.(D) the density of the population is low
1.) At approximately what year did the human population enter an exponential growth phase?
2.) Prior to that time, what was the approximate carrying capacity of Earth?
3.) State three significant technological developments that have acted to increase the carrying capacity of Earth’s environment since that time.
4.) Provide two examples of density-dependent factors that are contributing to or have the potential to contribute to environmental resistance in human populations.
Chapter 53 Solutions
Campbell Biology: Australian And New Zealand Edition + Mastering Biology With Etext
Ch. 53.1 - DRAW IT Each female of a particular fish species...Ch. 53.1 - Prob. 2CCCh. 53.1 - Prob. 3CCCh. 53.2 - Explain why a constant per capita rate of growth...Ch. 53.2 - Prob. 2CCCh. 53.2 - Prob. 3CCCh. 53.3 - Explain why a population that fits the logistic...Ch. 53.3 - WHAT IF? Given the latitudinal differences in...Ch. 53.3 - Prob. 3CCCh. 53.4 - Identify three key life history traits, and give...
Ch. 53.4 - Prob. 2CCCh. 53.4 - Prob. 3CCCh. 53.5 - Prob. 1CCCh. 53.5 - WHAT IF? Suppose you were studying a species that...Ch. 53.5 - Prob. 3CCCh. 53.6 - How does a human population's age structure affect...Ch. 53.6 - How have the rate and number of people added to...Ch. 53.6 - WHAT IF? Type "personal ecological footprint...Ch. 53 - Gray whales (Eschrichtius robustus) gather each...Ch. 53 - Suppose one population has an r that is twice as...Ch. 53 - Prob. 53.3CRCh. 53 - Prob. 53.4CRCh. 53 - Density-dependent factors regulate population...Ch. 53 - The human population is no longer growing...Ch. 53 - Population ecologists follow the fate of same-age...Ch. 53 - A population's carrying capacity (A) may change as...Ch. 53 - Scientific study of the population cycles of the...Ch. 53 - Analyzing ecological footprints reveals that (A)...Ch. 53 - Based on current growth rates, Earth's human...Ch. 53 - The observation that members of a population are...Ch. 53 - According to the logistic growth equation...Ch. 53 - During exponential growth, a population always (A)...Ch. 53 - Which of the following statements about human...Ch. 53 - Prob. 10TYUCh. 53 - EVOLUTION CONNECTION Contrast the selective...Ch. 53 - Prob. 12TYUCh. 53 - Prob. 13TYUCh. 53 - WRITE ABOUT A THEME: INTERACTIONS In a short essay...Ch. 53 - SYNTHESIZE YOUR KNOWLEDGE Locusts (grasshoppers in...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is true of a population approaching its carrying capacity? a) The population’s emigration is greater than its immigration. b) The population has access to unlimited resources. c) Intraspecific competition decreases. d) The population’s rate of increase approaches zero.arrow_forward1)Questions related to population dynamics look at which aspect of a population? a)The factors that determine the maximum population size that can be supported in an environment b)How diseases are transmitted through a population c)How the genetics of a population change over time d)How & why population size changes over time e)How the number of species in an environment changes over timearrow_forwardDo the questions below the mosquito pleasearrow_forward
- 2)Which of the following best describes the difference between population size and population density? a)Population size measures the abundance of an organism, whereas population density measures the distribution b)Both variables measure abundance, but population density takes the into account the size of individuals, not just the number of individuals in the population c)Population size measures abundance, but population density measures how rapidly the size changes d)Population density measures the abundance of an organism, whereas population size measures the distribution e)None of these descriptions are correctarrow_forwardDuring what phase of the growth curves in each diagram is the population just beginning to colonize an area? (C) a) Which type of population growth appears to continue unchecked? b) The growth curves in the Model are often referred to using the letters of the alphabet they resemble. The logistic growth curve is sometimes referred to as an S-curve. What letter would you use to describe the exponential growth curve? c) What causes the population to slow down during logistic growth? d) The maximum population an environment can sustain is affected by environmental factors that cause the population to level out or become stable. What term is used to describe this level of logistic growth? Diagram A-Exponential Growth Curve Population Numbers Exponential growth Lag phase Time Population Numbers Diagram B-Logistic Growth Curve Lag phase Time Carrying capacity (K) Pressure begins due to environmental resistancearrow_forwardA human population of 10,000 individuals has a birth rate of 90 per every 1000 persons and a death rate of 16 per every 1000 individuals. Calculate the yearly increase of the population growth. a) 740 individuals/year b) 74 individuals/year c) 10,074 individuals/year d) 11,074 individuals/yeararrow_forward
- 49) Carrying capacity is A) seldom exceeded in real populations. B) the maximum population size that a particular environment can support. C) fixed for most species over most of their range most of the time. D) determined by density and dispersion data. E) the term used to describe the stress a population undergoes due to limited resources. 17) The small intestine has a very large surface area that directly facilitates high rates of A) digestion. B) absorption. C) elimination. D) filtration.arrow_forwardA population’s carrying capacity(A) may change as environmental conditions change.(B) can be accurately calculated using the logistic growth model.(C) increases as the per capita population growth rate decreases.(D) can never be exceeded.arrow_forwardWhich of the following populations would be growing? a) Geometric rate (1) = 0.63 b) Exponential growth rate (r) = 0.63 c) Net reproductive rate (R0) = 0.63 d) All of the above populations are growingarrow_forward
- The continued growth of a population with a young age structure, even after its fertility rate has declined, is known as (a) population doubling (b) iteroparity (c) population growth momentum (d) r selection (e) density dependencearrow_forwardDescribe the historical pattern of growth of the worldwide human population since our origin. Include in this historic overview the changes that have happened technologically, medically, culturally and nutritionally to result in major population changes over time. Relate the growth of the human population to our ecological footprint and explain the idea of limits to population growth known as the carrying capacity. Relative to carrying capacity, what may result from unbridled continued growth of our population? How does the size of the human population contribute to environmental degradation? Why must we take the human population size into account when we attempt to develop environmental restoration projects? - minimum word count 1,500arrow_forwardMeta population models focus on the BIDE (birth, immigration, death, emigration) dynamics, colonization and extirpation. A) Explain how these relate to genetic bottlenecks and explain why meta population models have a hard time predicting such events? B) Why is the island biogeography model a strong example of meta population dynamics?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
What is food insecurity?; Author: RWJBarnabas Health;https://www.youtube.com/watch?v=fXXiuLgiL18;License: Standard youtube license