Campbell Biology: Concepts and Connections (Custom Package)
8th Edition
ISBN: 9781269717403
Author: Central Texas
Publisher: PEARSON
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Textbook Question
Chapter 36, Problem 5TYK
The term (K − N)/K
a. is the
b. is greatest when K is very large.
c. is zero when
d. increases in value as N approaches K.
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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.
As a population size approaches (i.e. is almost equal to) carrying capacity for a certain population, which of the following outcomes is predicted by the logistic growth equation?
a.
The population growth rate will not change
b.
The population growth rate will approach zero
c.
The population size will increase exponentially
d.
The carrying capacity of the environment will increase
The carrying capacity (K) is the maximum population size that can be supported or sustained by a given environment. Which of the following statements about the carrying capacity is NOT true?
Select one:
a. We can think of K as some "average" value that a given environment can support.
b. Environmental fluctuations cause the carrying capacity to fluctuate over time.
c. Once a population reaches its carrying capacity, the size of the population remains constant.
d. When a population overshoots K, individuals die due to lack of resources.
Chapter 36 Solutions
Campbell Biology: Concepts and Connections (Custom Package)
Ch. 36 - Use this graph of the idealized exponential and...Ch. 36 - The graph below shows the demographic transition...Ch. 36 - Prob. 3TYKCh. 36 - To figure out the human population density of your...Ch. 36 - The term (K N)/K a. is the carrying capacity for...Ch. 36 - With regard to its rate of growth, a population...Ch. 36 - Prob. 7TYKCh. 36 - Skyrocketing growth of the human population...Ch. 36 - Prob. 9TYKCh. 36 - What are some factors that might have a...
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- In 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_forwardApplying what you have learned about population growth and carrying capacity, how would you use this concept in facing any situations/problems in your life?arrow_forwardThe population of individuals is growing at a continuous rate. The maximum growth rate is 0.35 and the carrying capacity of the population is 800 individuals. a. If the population size is 20 individuals, find the population growth rate. Show your work. b. If the population was nearing the carrying capacity, how would this rate compare to the calculated rate in part a? A calculation is not required.arrow_forward
- Based on the data, what is the estimated carrying capacity for the population and what factor may have led to a change in data at day three? A. The estimated carrying capacity is approximately 188 thousand. The population may have decreased during day three because of increased pressure from a limiting factor, such as unfavorable temperature. B. The estimated carrying capacity is approximately 188 thousand. The population may have decreased during day three because of decreased pressure from limiting factors, such as more food being available. C. The estimated carrying capacity is approximately 167 thousand. The population may have decreased during day three because of increased pressure from a limiting factor such as reduction of food available. D. The estimated carrying capacity is approximately 167 thousand. The population may have decreased during day three because of decreased pressure from a limiting factor such as reduction of predators eating the…arrow_forwardHow does the logistic growth model of population growth differ from the exponential growth model? A. The graph of the exponential model is S-shaped. B. The logistic growth model shows an unrestricted growth rate. C. The logistic growth model considers the environment's carrying capacity. D. The exponential growth model shows a restricted growth rate.arrow_forwardThe point on a logistic curve where a small change could cause population to either increase towards carrying capacity or decrease towards extinction is calledarrow_forward
- N/K”for a population can represent:a.environmental resistance.b.logistic component.c.population size decrease.d.both environmental resistance and logistic component.e.both logistic component and population size decrease.arrow_forwarddN/dt= rmaxN represents:a.annual growth rate.b.geometric population growth.c.exponential population growth.d.logistic growth.e.none of the choices apply.arrow_forwardNt= N0 t represents:a.geometric population growth.b.annual growth rate.c.exponential growth rate.d.logistic growth.e.none of the choices apply.arrow_forward
- A 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_forwardConcerning population size and population density, explain one way each of the terms differ from each other in relation to their a. importance in predicting competition in a population; b. importance in predicting resource use in an area; and c. relationship with each other. (17.2)arrow_forwardA population of deer suddenly decreases dramatically in number. This most likely occurred because ____. a. the was a gradual decrease in environmental resistance b. the population approached its carrying capacity c. population crashes are common and expected on a regular basis regardless of population size d. the number of resources increased steadily e. the population increased beyond its carrying capacityarrow_forward
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