Looking At The Data In The Figure Above From The Hare/lynx Experiment, What Conclusion Can You Draw?
i
Which of the following is an example of a population?
A.a spider and the fly it is nearly to swallow
B.the earthworms that live in a grassland plus the earthworms that live in a woods
C.all of the redwood trees that live in a forest
D.all the plants that live near each other in a woods
E.all the coyotes on Globe
2
To make up one's mind the density of a rabbit population, you would need to know the number of rabbits and _____.
A.their pattern of dispersion
B.the size of the surface area in which they live
C.the birth charge per unit
D.the factors that limit population growth for that rabbit population
East.the growth rate of the population
iii
In wild populations, individuals most oft show a _____ blueprint of dispersion.
A.random
B.equilibrium
C.density-dependent
D.clumped
Eastward.uniform
4
10/n=south/N or, solving for population size, N=sn/x
Suppose that none of the 44 dolphins encountered in the second sampling had been photographed before.
Would you be able to solve the equation for North? What might you conclude virtually population size in this case?
A.The equation tin be solved, and yous would conclude that the population size is very minor.
B.The equation cannot be solved, but you lot would conclude that the population size is very large.
C.The equation can be solved, and you lot would conclude that the population size is close to one,100.
D.The equation cannot exist solved, so you would not exist able to accomplish any conclusions well-nigh population size.
5
In the effigy in a higher place, which of the following survivorship curves implies that an brute may lay many eggs, of which a regular number die each twelvemonth on a logarithmic scale?
A.curve A
B.bend B
C.curve C
vi
In the figure above, which of the following survivorship curves most applies to humans living in developed countries?
A.curve A
B.curve B
C.curve C
D.curve A or curve B
7
Using the tabular array higher up, how would y'all describe the population dynamics of L. vivipara?
A.The population is stable.
B.The population is decreasing.
C.The population is increasing.
D.The figure does non provide this information.
8
Using the table higher up, make up one's mind which age form year would injure the population growth well-nigh if information technology were wiped out by disease.
A.age class year 1
B.age class twelvemonth 2
C.age class yr 3
D.age class year 4
9
Suppose researchers marked 800 turtles and later were able to trap a total of 300 individuals in that population, of which 150 were marked. What is the gauge for total population size?
A.1600
B.200
C.1050
D.2100
10
Looking at the figure above, what is contributing significantly to stabilizing population size over time?
I) no migration
II) low migration
3) high migration
A.just I
B.just Two
C.merely III
D.merely 2 and III
11
Which of the following assumptions have to be fabricated regarding the mark-recapture approximate of population size?
I) Marked and unmarked individuals have the same probability of being trapped.
2) The marked individuals have thoroughly mixed with the population after being marked.
Three) No individuals have entered or left the population by immigration or emigration, and no individuals have been added past birth or eliminated by death during the course of the guess.
A.I only
B.II only
C.I and II only
D.I, Two, and Three
12
Which of the following is the most of import assumption for the mark-recapture method to approximate the size of wildlife populations?
A.Marked individuals have the aforementioned probability of being recaptured as unmarked individuals during the recapture phase.
B.There is a 50:50 ratio of males to females in the population before and later on trapping and recapture.
C.More individuals emigrate from, as opposed to immigrate into, a population.
D.Over 50% of the marked individuals need to exist trapped during the recapture phase.
thirteen
Refer to the figure above. Which curve all-time describes survivorship in marine molluscs?
A.A
B.B
C.C
D.Due east
fourteen
Refer to the figure to a higher place. Which curve best describes survivorship in elephants?
A.A
B.B
C.C
D.E
15
Long-term studies of Belding'south basis squirrels show that immigrants move nigh 2 kilometers from where they are built-in and become ane%-8% of the males and 0.vii%-6% of the females in other populations. On an evolutionary scale, why is this meaning?
A.These immigrants provide a source of genetic multifariousness for the other populations.
B.Those individuals that immigrate to these new populations are looking for less crowded conditions with more resources.
C.These immigrants make up for the deaths of individuals, keeping the other populations' size stable.
D.Gradually, the populations of ground squirrels will motility from a clumped to a uniform population blueprint of dispersion.
16
A population is correctly divers as having which of the post-obit characteristics?
I) inhabiting the same general area
II) belonging to the same species
III) possessing a constant and compatible density and dispersion
A.III just
B.I and II but
C.II and Iii but
D.I, 2, and Three
17
An ecologist recorded twelve white-tailed deer, Odocoileus virginianus, per square kilometer in 1 woodlot and twenty per square kilometer in some other woodlot. What was the ecologist comparison?
A.range
B.density
C.dispersion
D.carrying chapters
18
Which of the following groups would be most likely to showroom compatible dispersion?
A.lake trout, which seek out common cold, deep water loftier in dissolved oxygen
B.cattails, which grow primarily at edges of lakes and streams
C.dwarf mistletoes, which parasitize particular species of forest tree
D.ruby-red squirrels, who actively defend territories
19
Which of the following examples would most accurately measure out the density of the population existence studied?
A.counting the number of times a one-kilometer transect is intersected by tracks of red squirrels after a snowfall
B.counting the number of zebras from airplane demography observations.
C.counting the number of moss plants in one-foursquare-meter quadrants
D.counting the number of coyote droppings per hectare
xx
Which of the following is the best natural example of uniform distribution?
A.snails in an intertidal zone at depression tide
B.bees collecting pollen in a wildflower meadow
C.territorial songbirds in a mature wood during mating season
D.mushrooms growing on the floor of an sometime growth forest
21
In the figure higher up, which of the lines represents the highest per-capita rate increase (r)?
A.line D
B.line A
C.line B
D.line C
22
Starting from a single individual, what is the size of a population of bacteria at the end of a two-hour time period if they reproduce past binary fission every twenty minutes? (Assume unlimited resources and no mortality.)
A.128
B.64
C.32
D.16
23
Which of the following graphs illustrates the population growth curve of single bacterium growing in a flask of ideal medium at optimum temperature over a two-hour period?
24
During exponential growth, a population ever _____.
A.grows at its maximum per capita rate
B.cycles through time
C.loses some individuals to emigration
D.quickly reaches its carrying capacity
25
Consider two sometime-growth forests: one is undisturbed while the other is being logged. In which region are species likely to experience exponential growth, and why?
A.Logged, because the various populations are stimulated to a college reproductive potential.
B.Old growth, because of stable atmospheric condition that would favor exponential growth of all species in the wood.
C.Logged, because the disturbed wood affords more resources for increased specific populations to grow.
D.Quondam growth, because each of the species is well established and can produce many offspring.
26
The number of individuals that a particular habitat tin support with no deposition of that habitat is chosen _____.
A.carrying capacity
B.community
C.niche
D.biotic potential
E.survivorship
27
Imagine that you are managing a big game ranch. You know from historical accounts that a species of deer used to live there, but they have been extirpated. After doing some research to determine what might be an accordingly sized founding population, you lot reintroduce them. You then watch the population increase for several generations, and graph the number of individuals (vertical axis) against the number of generations (horizontal centrality). With no natural predators impacting the population, the graph will likely announced as _____.
A.a diagonal line, getting higher with each generation
B.an upside-down "U"
C.a "J," increasing with each generation
D.an "South" that ends with a vertical line
28
In the effigy to a higher place, which of the arrows represents the carrying capacity?
A.arrow A
B.pointer B
C.arrow C
D.Carrying capacity cannot be found in the figure considering species nether density-dependent control never reach conveying capacity.
29
Which statements about G are correct?
I) K varies amidst populations.
Two) K varies in space.
III) K varies in time.
IV) K is constant for any given species.
A.only I and Three
B.only I, Ii, and 3
C.simply II and Iv
D.only Two, III, and 4
thirty
As N approaches Yard for a sure population, which of the following is predicted by the logistic equation?
A.The growth charge per unit will arroyo zero.
B.The growth rate will not change.
C.The conveying capacity of the environment will increase.
D.The population will increase exponentially.
31
Which of the following causes populations to shift most chop-chop from an exponential to a logistic population growth?
A.decreased death rate
B.favorable climatic weather condition
C.removal of predators
D.competition for resources
32
According to the logistic growth equation, (dn/dt) = rmaxN(K-N)/G
A.the per capita growth rate (r) increases as Northward approaches K.
B.the number of individuals added per unit fourth dimension is greatest when North is close to zero.
C.population growth is nada when N equals M.
D.the population grows exponentially when K is small-scale.
33
Which of the following conditions favors "large-bang" reproduction?
A.high levels of parental intendance
B.intense intraspecific competition
C.predictable physical environment
D.depression rates of offspring survival
E.high rate of offspring survival
34
Which of the following is regarded equally a density-independent factor in the growth of natural populations?
A.intraspecific competition
B.predation
C.interspecific contest
D.emigration
Eastward.flooding
35
What is the main limiting gene that determines why no female person animal can produce a very large number of very large eggs?
A.Time is limited.
B.There will be an increment in predation pressure if the females carry too many big eggs.
C.There are energy constraints.
D.Temperature constraints will prevent females from carrying too many eggs.
36
Based on the effigy above, which of the following statements correctly interprets the data?
A.Clutch size decreases as female person density increases.
B.As female person density increases, clutch size increases.
C.Equally female density increases, survivorship decreases.
37
Natural pick involves energetic trade-offs betwixt _____.
A.loftier survival rates of offspring and the cost of parental care
B.choosing how many offspring to produce over the grade of a lifetime and how long to live
C.increasing the number of individuals produced during each reproductive episode and a respective decrease in parental care
D.producing large numbers of gametes when employing internal fertilization versus fewer numbers of gametes when employing external fertilization
38
Which of the post-obit is feature of M-selected populations?
A.a loftier intrinsic rate of increment
B.offspring with good chances of survival
C.many offspring per reproductive episode
D.small-scale offspring
39
Graph (b) in the figure above shows the normal fluctuations of a population of grouse. Assuming graph (a) in the figure in a higher place is the result of some experimental treatment in the grouse population, what can be concluded?
A.The experimental treatment exacerbated the population cycling.
B.The experimental treatment has about likely identified the crusade of population cycling.
C.The experimental treatment did not affect population cycling in this species.
D.None of the other responses is truthful.
40
Resource competition, territoriality, disease, and toxic wastes are some of the factors that provide _____ and help regulate population.
A.metapopulations
B.negative feedback
C.zero population growth
D.population dynamics
E.positive feedback
41
What conclusion tin you draw from the figure higher up?
A.Hares control lynx population size.
B.Lynx and hare populations are contained of each other.
C.Lynx command hare population size.
D.The human relationship between the populations cannot exist adamant only from this graph.
42
Looking at the data in the effigy above from the hare/lynx experiment, what determination can you describe?
I) Food is a cistron in controlling hare population size.
II) Excluding lynx is a factor in controlling hare population size.
3) The effect of excluding predators and adding food in the same experiment is greater than the sum of excluding lynx alone plus calculation food lone.
A.merely I
B.only II
C.just III
D.I, Two, and III
43
A population of white-footed mice becomes severely overpopulated in a habitat that has been disturbed by human activity. Sometimes intrinsic factors cause the population to increase in mortality and lower reproduction rates to occur in reaction to the stress of overpopulation. Which of the post-obit is an example of intrinsic population control?
A.All of the resources (food and shelter) are used up past overpopulation, and much of the population dies of exposure and/or starvation.
B.Clumped dispersion of the population leads to increased spread of illness and parasites, resulting in a population crash.
C.Owl populations frequent the area more than often because of increased hunting success.
D.Females undergo hormonal changes that delay sexual maturation, and many individuals suffer depressed allowed systems and die due to the stress of overpopulation.
44
Ignoring migration, the historic period construction of a human population probable to increase in size volition take what shape?
A.Both a pyramid and a rectangle tapering toward the acme result in a population that increases in size.
B.Both an inverted pyramid and a rectangle tapering toward the top issue in a population that increases in size.
C.inverted pyramid
D.a rectangle tapering toward the meridian
E.pyramid
45
Ignoring migration, the historic period structure of a homo population likely to decrease in size volition take what shape?
A.a rectangle tapering toward the top
B.inverted pyramid
C.Both an inverted pyramid and a rectangle tapering toward the top event in a population that decreases in size.
D.pyramid
Eastward.Both a pyramid and a rectangle tapering toward the top result in a population that decreases in size.
46
Ignoring migration, the age structure diagram of a human population likely to maintain a relatively stable size will have what shape?
A.Both a pyramid and a rectangle tapering toward the summit outcome in a population that remains stable in size.
B.a rectangle tapering toward the top
C.inverted pyramid
D.pyramid
Eastward.Both an inverted pyramid and a rectangle tapering toward the top upshot in a population that remains stable in size.
47
What are population dynamics?
A.Number of individuals born each year in a population.
B.Proportion of individuals at each possible age.
C.Regular fluctuations in the population size of some animals.
D.Changes in populations through time.
48
Which of the following statements virtually historic period pyramids is truthful?
A.Populations in developed countries grow more quickly than populations in less-developed countries.
B.Predictions of a population'southward future accept into business relationship such factors equally increasing survivorship and fecundity levels that remain the same.
C.Age distribution in less-developed countries is bottom-heavy, indicating that these populations are dominated by the very one-time.
D.Historic period distribution in developed countries shows an hourglass pattern, with the greatest numbers of people beingness either very young or very sometime.
49
Truthful or false? The growth charge per unit of a certain population increases very quickly for a time and and then levels off to zero. The most probable reason that the growth rate leveled off to zero is that the environs reached its carrying capacity.
A.Truthful
B.False
fifty
The average age of childbearing in country A is 26, whereas the average age in country B is 30. In each country, the average number of offspring per woman is iii. Which of the following statements about the population growth rate in each land must be true?
A.The population growth rate in country A is lower than in state B.
B.Information technology is not possible to compare the population growth rates of countries A and B.
C.The population growth rate in state A is higher than in state B.
D.The population growth rates in countries A and B are the aforementioned.
51
In 1970, the average age of childbearing was 28, and the average number of offspring per adult female was 3 in a certain state. In 1980, the boilerplate age of childbearing was however 28, but the average number of offspring per woman was 2 in that country. If the decease rate in the country remained constant during those years, how did the population growth rate change from 1970 to 1980?
A.The population growth charge per unit stayed the same.
B.The population growth rate increased.
C.The population growth charge per unit decreased.
D.It is not possible to determine the population growth charge per unit.
52
A broad-based pyramid-shaped age structure is feature of a population that is _____.
A.limited past density-dependent factors
B.growing speedily
C.stable
D.shrinking
E.at carrying chapters
53
Which of the following is the most accurate argument on Earth's carrying capacity for humans?
A.When it comes to humans, the concept of K is irrelevant.
B.The homo population has already exceeded Thou.
C.Our technology has allowed the human population to keep increasing Thousand.
D.The man population is still a long way from K.
E.K is smaller now than it was a thousand years ago.
54
A recent study of ecological footprints concluded that _____.
A.it is not possible for technological improvements to increase Earth's carrying chapters for humans
B.the ecological footprint of the United states of america is big considering per capita resources use is high
C.current demand by industrialized countries for resources is much smaller than the ecological footprint of those countries
D.Earth's carrying chapters would increment if per capita meat consumption increased
55
What is a logical conclusion that tin can be fatigued from the graphs above? Adult countries have _____.
A.lower babe bloodshed rates and lower life expectancy than developing countries
B.lower infant mortality rates and college life expectancy than developing countries
C.college infant bloodshed rates and lower life expectancy than developing countries
D.higher infant mortality rates and higher life expectancy than developing countries
56
Why does the 2009 U.S. population continue to grow even though the Usa has substantially established a zero population growth (ZPG)?
A.emigration
B.baby boomer reproduction
C.immigration
D.the 2007-2009 economical recession
Source: https://www.easynotecards.com/notecard_set/62386
Posted by: limaftere1980.blogspot.com
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