BELK SCIENCE F/LIFE-MASTRG. BIOL.AC+EBK
6th Edition
ISBN: 9781323907634
Author: BELK
Publisher: PEARSON
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Chapter 15, Problem 4LTB
Summary Introduction
Introduction:
The exponential population growth occurs when
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__________ exists when deaths are balanced by births so that the population does not increase
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Jacksonville-A 7 Figure City
Fill in the appropriate terms into the missing blanks for the article "Jacksonville –
A 7 Figure City" below. Each term will only be used once.
Birth rate
Logistic growth
Exponential growth
Population
Carrying capacity
Immigration
Emigration
Death rate
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Density-independent
Abiotic
Biotic
1 ). As the
Jacksonville began as an Indian nation that grew due to European (
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dropped, which was partly due to an increase in (_ 2 ) from the aggressiveness
of the incoming populations. In addition, the European settlers gradually forced
many Indian tribes out into the frontier parts of the US through (_ 3 _). The area
became known for its plantations and lumber, which depended on the (4 )
contribution of the land and weather but produced ( 5 )yields that helped the
local economy. Fortunately, Jacksonville was north of some of the (_ 6 ) factors
such as mosquitos,…
Population Growth
The graph below shows the population of fur seals along a coastline from 1910 to 1950. Look at the graph, then answer the questions below.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
10
8
1915
1925
1935
1945
Time (years)
What type of growth is exhibited by this population?
cyclical
O exponential
O sustainable
O logistic
Breeding male fur seals (thousands)
Chapter 15 Solutions
BELK SCIENCE F/LIFE-MASTRG. BIOL.AC+EBK
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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- A population of rabbits, when introduced to a new environment with abundant resources, would most likely display what type of growth? Logistic growth Exponential growth Negative growth No growtharrow_forwardRegion 2 on the graph above represents ___i___ population growth. Region 3 of the graph is unusual in that it usually shows a slight fluctuation in the form of a ___ii___ curve.arrow_forwardDensity-dependent factors __________. have a greater impact at higher population densities are less important for regulating population size than density-independent factors act at the community level cause decreases in numbers of species in an ecosystem as a result of temperature extremesarrow_forward
- identify and describe this type of population growth pattern. I put fluctuation growth pattern as it matched up with what i have previously learned but just wanted to double check. i know there is exponential growth, logistic growth, fluctuations and cycles when it comes to population dynamicsarrow_forwardWhich of the following are true for a population that is increasing according to the exponential growth equation? Choose all that are true. per capita birth rate is always greater than per capita death rate O r is constant O ris greatest when the population is greatest the population would continue to grow forever the population grows as if resources are never limiting growth doubling time is constantarrow_forwardFor each of the following, indicate if it describes what is generally a density-dependent or density independent population growth regulator. A windstorm blows all of the blue jays nests [ Choose ] out of the trees, crushing all of the blue jay eggs The size of a mouse population increases as [ Choose ] the number of predatory hawks decreases An Australian forest fire kills all of the sloths [ Choose ] An exterminator tents a house to kill all of [ Choose ] the termitesarrow_forward
- 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_forwardThe 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_forward
- Population size (M) K NX K The figure depicts which type of population growth? logistic normal geometric Time (t) exponentialarrow_forwardThe population of salmon in Lake Maria has remained constant, at around 2,000 for the past 10 years. Mr. Trout, the owner of the fishing resort on the lake, wants to increase the number of salmon available for his clients to catch fishing. He plans to stock the lake with 1,000 more salmon. Explain to Mr. Trout what will happen to the lake and the salmon population if he adds 1,000 extra fisharrow_forwardPopulation Growth The graph below shows the population of fur seals along a coastline from 1910 to 1950. Look at the graph, then answer the questions below. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 10 8 6 1915 1925 1935 1945 Time (years) What is the estimated carrying capacity of this population in this environment? 4,000 8,000 10,000 1,000 Breeding male fur seals (thousands)arrow_forward
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