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 6LTB
All of the following are density-dependent factors that can influence
- weather;
- food supply;
- waste concentration in the environment;
- infectious disease:
- supply of suitable habitat for survival
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Which of the following is a density-independent factor on population growth?
weather event
food availability
shelter availability
availability of mates
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 stochasticity
Which of the following is a density-independent factor limiting population growth in humans?
fatal genetic diseases
temperature
competition for food
fatal contagious diseases
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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- Which of the following statements about logistic growth is not correct? A population growing logistically has reached the carrying capacity of the environment in which it lives. A logistically growing population is represented by an S-shaped curve. When a population is growing logistically, it is limited by factors such as food supply and water. In a logistically growing population, the birth rate is much greater than the death rate.arrow_forwardidentify 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_forwardWhen an organisms exhibits ___________ growth its _________ is constant. determinate, fertility determinate, fecundity none of the options are correct indeterminate, fitness indeterminate, fecundity Which of the following does not represent a density-dependent factor of population regulation? competition for resources crowding forest fire disease outbreak none of the options are correctarrow_forward
- Which of the following would directly cause a population to shift from exponential to logistic population growth? Select all that apply. decreased death rate competition for resources removal of predators O favorable climatic conditions contagious diseasearrow_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_forwardGiven the following figure of logistic growth, Logistic Growth D A Time when the population reaches point C on the figure, we can conclude that: birth rate is greater than death rate the population has surpassed carrying capacity death rate is equal to birth rate death rate is greater than birth rate Population sizearrow_forward
- What is the relationship between population density and available resources? exponentially proportional There is no relationship. directly proportional inversely proportionalarrow_forwardCategorize the following density-dependent factors by their cause and effect. The four categories are natural/catastrophic, natural/gradual, human-made/catastrophic, and human-made/gradual. A contagious virus that causes death in forty-eight hours strikes a small population of frogs that lives in a small pond. A population explosion of mayflies in a small corner of a lake brings increased predation by dragonflies. The building of a large vacation resort results in the clearing of several acres of land, degrading the habitat of a large population of plants living on those acres. An accidental leak of biohazardous material introduces a bacteria that slightly decreases reproductive capability of a small population of songbirds living near the leak.arrow_forwardSince K = 0.5, the population we are studying is experiencing ________ growth due to density _______ factors. exponential; dependent exponential; independent logistic; dependent logistic; independentarrow_forward
- Both density-dependent and density-independent factors can influence population growth. Distinguish between density-dependent and density-independent factors, and describe an example of eacharrow_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_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_forward
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POPULATION REGULATION AND LIMITING FACTORS | DENSITY INDEPENDENT AND DENSITY DEPENDENT FACTORS; Author: BioVidyalaya;https://www.youtube.com/watch?v=mB-AB-5Wnhs;License: Standard YouTube License, CC-BY
Population growth; Author: SiouxScience;https://www.youtube.com/watch?v=XnaC9iOumVA;License: Standard YouTube License, CC-BY