Pearson eText Biology: Science for Life with Physiology -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135214114
Author: Colleen Belk, Virginia 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 regulator of population size (helps to move it toward its carrying capacity)?
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Which of the following is a density-independent factor on population growth?
weather event
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Which of the following is a density-independent factor limiting population growth in humans?
fatal genetic diseases
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Chapter 15 Solutions
Pearson eText Biology: Science for Life with Physiology -- Instant Access (Pearson+)
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is NOT true regarding population density? As population densities increase, density dependent factors increase in influence on the population. The crude density, or number of organisms per unit area, is a good indicator of where those organisms will be found in the landscape. Population densities can be useful to wildlife managers trying to maintain game populations as a renewable resource. Population densities can fluctuate overtime given their interactions among trophic levels.arrow_forwardWhich 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_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_forwardWhat is the relationship between population density and available resources? exponentially proportional There is no relationship. directly proportional inversely proportionalarrow_forward
- Given 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_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
- 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_forwardBoth density-dependent and density-independent factors can influence population growth. Distinguish between density-dependent and density-independent factors, and describe an example of eacharrow_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
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