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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Textbook Question
Chapter 15, Problem 9LTB
The current
- demographic momentum;
- the tendency for women to want to control family size;
- an artificially low number of density-independent factors;
- our use of fossil fuels;
- recent population crashes
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The common carp is an non-native fish species in North America. A few individuals are introduced into a lake near Ottawa, where they experience no predation or competition from native fishes. What kind of growth the population of carp is expected to follow in the first few years following its introduction.
Logistic
Exponential
Logarithmic
Linear
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
Please help me to get aswers thank you
Define and give an example of each of the following. You may use examples from the Human Population Growth
A) Density-dependent control on human population growth
B) Density-independent control on human population growth
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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- 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_forwardMatch each term with its most suitable description. _____ carrying capacity a. maximum rate or increase per individual under ideal conditions _____ exponential growth b. population growth plots out as an S-shaped curve _____ biotic potential c. maximum number or individuals sustainable by the resources in a given environment _____ limiting factor d. population growth plots out as a J-shaped curve _____ logistic growth e. essential resource that restricts population growth when scarcearrow_forward
- A 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_forwardHow would you describe human population growth for the past 200 years. When determining Earth’s carrying capacity for humans, why is it not enough to just consider human numbers? What will happen if there is a rapid growth in human population? What solutions do you have in mind to limit the human population growth?arrow_forwardSome Terms Related to Growth Patterns Biotic potential Exponential growth Logistic growth Carrying capacity A growth pattern that forms an S-shaped curve. Answer Theoretical highest possible reproductive capacity of a population given little to no environmental resistance. Answer A growth pattern that forms a J-shaped curve. Answer The theoretical population size that a given region can sustain over a prolonged time period. Answerarrow_forward
- Which of the following is a regulator of population size (helps to move it toward its carrying capacity)? Weather (storms, floods, droughts) Density dependence Demographic stochasticityarrow_forwardmake a prediction about the effects that future human population growth will have on the following:Food productionAvailable water supplySpreading of diseaseNatural resourcesEnergy demandsGlobal warmingarrow_forwardThe global human population has surpassed 7 billion, far exceeding our population’s size throughout our history on Earth. Name some specific means by which we have apparently raised Earth’s carrying capacity for our species. Do you think we can continue to raise our carrying capacity? How might we do so? What limiting factors exist for the human population today? Might Earth’s future carrying capacity for us decrease? Why or why not?arrow_forward
- ESTIMATING POPULATION SIZE USING THE LINCOLN INDEX 1. A biologist wants to estimate the size of a population of turtles on an island. He captures 20 turtles on his first visit, and marks their backs with red paint. Two weeks later he returns to the island and captures 25 turtles. Five of these 25 turtles have red paint on their backs. Using the Lincoln index equation, calculate the estimated population 2. Overfishing in Antarctica has resulted in a steep decline in Patagonian toothfish. Fishery scientists are monitoring the population size to see if it is recovering by using the mark-release-recapture method and the Lincoln index equation. On their initial visit, the scientists caught and marked 100 specimens. When they returned on a second visit, they captured a total of 70 Patagonian toothfish. If the scientists estimated the population size was 700, how many of the recaptured toothfish were marked? Show all working.arrow_forwardThe common carp is an non-native fish species in North America. A few individualsare introduced into a lake near Ottawa, where they experience no predation orcompetition from native fishes. What kind of growth the population of carp isexpected to follow in the first few years following its introduction. 1. linear 2.logistic 3.exponential 4.logarithmicarrow_forwardChoose the statement that is most likely made by an environmentalist rather than by an environmental scientist. "On average, 52 animal species move one step closer to extinction each year because of overpopulation and habitat destruction.” “Human population growth is a current environmental issue, as is climate change.” “When the number of existing humans exceeds the carrying capacity of the planet, we have reached the state of overpopulation.” “Citizens must take matters into their own hands and start having fewer children to reduce the world’s population, starting now.”arrow_forward
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