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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Chapter 15, Problem 3LTB
Summary Introduction
Introduction:
In uniform distribution the populations are spaced evenly, for instance, the spacing between houses in a subdivision or strangers in a classroom tends to equalize the distances among individual property owners or people, the species shows uniform distribution.
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The size of the population of a species in an ecosystem is determined by the ___________ factors and _____________ factors.
Which type of population dispersion is characterized by a high population density?
a
uniform dispersion
b
random dispersion
c
isolated dispersion
d
clumped dispersion
A population is correctly defined as having which of the following characteristics? CHECK ALL THAT COULD APPLY
A)individuals belonging to the same species
B)possessing a constant and uniform density and dispersion
C)inhabiting the same general area
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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- Most commonly, individuals of a natural population show a __________ distribution through their habitat. a. random b. clumped c. near uniformarrow_forwardAsian carp are an invasive species of fish. When the Asian carp invade a river or lake, they overtake the food and space from the native fish. What type of density-dependent factor would this be considered? physiological change predation competition disease and parasitesarrow_forwardDo human activities play a large role in density dependent or density independent limiting factors for populations of organisms? Provide specific examples, justify your respondingarrow_forward
- Asian carp are an invasive species of fish. When the Asian carp invade a river or lake, they overtake the food and space from the native fish. What type of density-dependent factor would this be considered?arrow_forwardWhich of the following patterns of cars parked along a street is an example of uniform dispersion? (a) five cars parked next to one another in the middle, leaving two empty spaces at one end and three empty spaces at theother end (b) five cars parked in this pattern: car, empty space, car, empty space, and so on (c) five cars parked in no discernible pattern, sometimes having empty spaces on each side and sometimes parked next to another cararrow_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 one of the following is the number of individuals per unit area? A. distribution B. growth rate C. density D. geographic rangearrow_forwardThe per-capita birth rate of individuals in a population is 0.8, and the per-capita death rate of individuals in the same population is 0.6. Given these rates, what is happening to the size of the population? constant decreasing increasing nearing half of K randomarrow_forwardIn a particular population of Paramecium species, 30 Paramecia were found in 4 mL of sample pond water. At another location, 85 Paramecia were found in 40 mL of sample pond water. What is the change in density of the Paramecium species? Express your answer rounded to two decimal places.arrow_forward
- What is the relationship between population density and available resources? exponentially proportional There is no relationship. directly proportional inversely proportionalarrow_forwardWhich 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_forwardRead each situation in the chart below. Then, state if it is a density-independent limiting factor or a density-dependent limiting factor. Then, state the specific limiting factor that is occurring. The first one is done for you as an example. SITUATION Dependent - Independent or Density-Dependent Limiting Factor Mrs. Engelbrecht has 32 students assigned to her Biology Class, but she only has room for 28. Because the room is crowded, the extra 4 students leave room to go to Guidance and have their schedules changed. Density- Dependent Emigration Northern pike (it’s a fish) feed on another fish, the yellow perch. An increase in the yellow perch population causes an increase in the northern pike population. Density- Dependent The BP oil spill in the Gulf of Mexico has harmed many aquatic organisms that live in the Gulf region. Density- Independent A new strain of influenza (the flu) breaks out in New York City Density- Dependent A…arrow_forward
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