Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
6th Edition
ISBN: 9780134555430
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Chapter 15, Problem 4LTB
Summary Introduction
Introduction:
The exponential population growth occurs when
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A population is expected to grow exponentially
after a severe population bottleneck.
when the population size is exceeding the carrying capacity of the environment.
when the population size is close but below the carrying capacity of the environment.
when the birth rate changes as a function of the population
several years ago wolves were reintroduced in to a national park in North Carolina. Researchers have monitored the populations over the last several
years and the per capita growth rate of the population is.5. If the current population size is 100, what equation would you use to determine how large
he population will be in ten yearS?
N/t *r
N(1+r)^t
(N*r)/t
please highlight the answer
Which 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 growing
Chapter 15 Solutions
Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
Ch. 15 - Prob. 1LTBCh. 15 - Prob. 2LTBCh. 15 - Prob. 3LTBCh. 15 - Prob. 4LTBCh. 15 - According to the graph shown here, the carrying...Ch. 15 - All of the following are density-dependent factors...Ch. 15 - In contrast to nonhuman populations, human...Ch. 15 - Populations that rely on stored resources are...Ch. 15 - The current carrying capacity of Earth for the...Ch. 15 - Prob. 10LTB
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- The largest population that can be maintained by a particular environment for an indefinite period is known as a (a) semelparous population (b) population undergoing exponential growth (c) metapopulation (d) populations carrying capacity (e) source populationarrow_forwardFigure 19.2 As this graph shows, population density typically decreases with increasing body size. Why do you think this is the case?arrow_forwardIn a graph of population size versus time, a J-shaped curve is characteristic of (a) exponential population growth (b) logistic population growth (c) zero population growth (d) replacement-level fertility (e) population growth momentumarrow_forward
- ______ is a density-independent factor that influences population growth. a. Predation b. Infectious disease c. Resource competition d. Harsh weatherarrow_forwardIf population growth is assumed to be density dependent in all four populations, what will happen to these populations sometime after generation 10? 1. Population size will grow monotonically. 2. Rate of population growth will decrease. 3. Rate of population growth will remain the same. 4. All populations will follow the curve of populationarrow_forwardA starting population of 300 individuals grows by 33% every year. Assuming that resources are unlimited, how big will the population be after 5 months (note: months not years)? Question 4 options: 333 338 364 321 Previous PageNext Pagearrow_forward
- A population grows exponentially at about 2% per year. Assume that the population starts with 15 individuals. How many individuals will it have after 10 years? After 20 years? How long will it take for the population to doublearrow_forwardWhen there are no limits to population growth, rmax represents which of the following? maximum reproductive rate maximum per capita reproduction rate maximum per capita growth rate none of the options are correct maximum life history rate Which of the following traits would not be considered a life history trait? age at maturity how often they reproduce size of their horns size of offspring none of the options are correctarrow_forwardPopulations of most organisms follow an exponential model of population growth. Group of answer choices True Falsearrow_forward
- The per-capita birth rate of individuals in a population is 0.8, and the per-capita death rate of individuals in the same population is 0.6. Given these rates, what is happening to the size of the population? constant decreasing increasing nearing half of K randomarrow_forwardWhich 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.arrow_forwardA population of Giant armadillo, an endangered species found in South America, increased in numbers from 152 to 174 from 2001 to 2006. The per capita growth rate for the armadillo population is ? (three decimal places)arrow_forward
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