Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 45, Problem 18RQ
Which of the following events would not negatively impact Yellowstone’s grey wolf
- snow in winter
- a beaver damming a river upstream
- a forest fire
- chronic wasting disease in the deer population
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Which of the following events would not negatively impact Yellowstone’s grey wolf carrying capacity? a. snow in winter b. a beaver damming a river upstream c. a forest fire d. chronic wasting disease in the deer population
Which of the following events would decrease competition for resources in an ecosystem?
a disease reduces the population of rabbits in a grassland area
a drought reduces the amount of water available to an ecosystem
a fire has killed off a portion of the vegetation
many offspring are produced in a single year
Which statement is a valid analysis about bison movement and the carrying capacity of Yellowstone National Park?
A.
The decrease in the northern herd's population is explained by its inability to migrate and the park's decreasing carrying capacity.
B.
The fact that bison only migrate in years of deep snow indicates that they have exceeded the park's carrying capacity.
C.
The carrying capacity for other animals found in Yellowstone has increased due to the bison's migration outside of the park.
D.
The movement of bison beyond park boundaries is not due to the bison population being too large for the park's carrying capacity.
Part B:
Which selection from the text provides evidence that directly supports this analysis?
A.
They move to lower elevation ranges during the winter months in response to snow accumulation and snowpack development.
B.
The model integrates data from several ecosystem-related variables,…
Chapter 45 Solutions
Biology 2e
Ch. 45 - Figure 45.2 As this graph shows, population...Ch. 45 - Figure 45.10b If the major food source of the...Ch. 45 - Figure 45.16 Age structure diagrams for rapidly...Ch. 45 - Which of the following methods will tell an...Ch. 45 - Which of the following is best at showing the life...Ch. 45 - Humans have which type of survivorship curve? Type...Ch. 45 - How is a clumped population distribution...Ch. 45 - Which of the following is associated with...Ch. 45 - Which of the following is associated with multiple...Ch. 45 - Which of the following is associated with the...
Ch. 45 - Species with limited resources usually exhibit...Ch. 45 - The maximum rate of increased characteristic of a...Ch. 45 - The population size of a species capable of being...Ch. 45 - Species that have many offspring at one time are...Ch. 45 - A forest fire is an example of regulation....Ch. 45 - Primates are examples of: density-dependent...Ch. 45 - Which of the following statements does not support...Ch. 45 - Which of the following events would not negatively...Ch. 45 - A country with zero population growth is likely to...Ch. 45 - Which type of country has the greatest proportion...Ch. 45 - Which of the following is not a way that humans...Ch. 45 - The first species to live on new land, such as...Ch. 45 - Which type of mimicry involves multiple species...Ch. 45 - A symbiotic relationship where both of the...Ch. 45 - Which of the following is not a mutualistic...Ch. 45 - The ability of rats to learn how to run a maze is...Ch. 45 - The training of animals usually involves...Ch. 45 - The sacrifice of the life of an individual so that...Ch. 45 - Why are polyandrous mating systems more rare than...Ch. 45 - Describe how a researcher would determine the size...Ch. 45 - The CDC released the following data in its 2013...Ch. 45 - Why is long-term parental care not associated with...Ch. 45 - Describe the difference in evolutionary pressures...Ch. 45 - Describe the rate of population growth that would...Ch. 45 - Describe how the population of a species that...Ch. 45 - Give an example of how density-dependent and...Ch. 45 - Describe the age structures in rapidly growing...Ch. 45 - Since the introduction of the Endangered Species...Ch. 45 - Describe the competitive exclusion principle and...Ch. 45 - Jaguars are a keystone species in the Amazon....Ch. 45 - Describe Pavlov’s dog experiments as an example of...Ch. 45 - Describe the advantage of using an aural or...
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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 limiting factor would affect the carrying capacity for all species in the pictured ecosystem?
a) Number of trees for giraffes
b) Hunting behavior of lions
c) Birth rate of the giraffes
d) Amount of grassland
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Taking all factors into account, rank the following for likelihood of bioaccumulation: bald eagles, osprey, seals, and northern harriers.
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Which of the following represents a grazing food chain?a. leaves → detritus feeders → deer → owlsb. birds → mice → snakesc. nuts → leaf-eating insects → chipmunks → hawksd. leaves → leaf-eating insects → mice → snakes
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explain the following Effects of wild life depletion
Unbalanced food chain and ecosystem
Reduction in rare wild animals
Danger to human life
Impact on biodiversity
Loss of economic value
Loss of genetic information
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In recent years, the wolf population has been purposely culled in an effort to preserve the endangered caribou population. From the point of view of the _________________, this act ______________
1. local elk, increases interspecific competition
2. local coyotes; decreases interspecific competition
3. caribou; increases intraspecific competition
4. wolves; decreases intraspecific competition
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2
Wolves are introduced into the park → The number of elk calves born to every 100 female elk
Stayed the same
Decreased
Increased
→ The overall elk population
Stayed the same
Decreased
Increased
→ Competition for plants elk eat
Stayed the same
Decreased
Increased
→ Availability of resources for bison
Stayed the same
Decreased
Increased
→ Bison population
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In the Lotka-Volterra predator-prey equations, the term a b N prey N predator describes:
The rate at which predators eat prey
The rate at which new predators are added to the predator population
The rate at which the predator population increases over time
The intrinsic growth rate of the prey population
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Figure 19.6 If the major food source of seals declines due to pollution or overfishing, which of the following would likely occur? a. The carrying capacity of seals would decrease, as would the seal population. b. The carrying capacity of seals would decrease, but the seal population would remain the same. c. The number of seal deaths would increase, but the number of births would also increase, so the population size would remain the same. d. The carrying capacity of seals would remain the same, but the population of seals would decrease.
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The population size of a species capable of being supported by the environment is called its ________. a. limit b. carrying capacity c. biotic potential d. logistic growth pattern
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Figure 45.10b If the major food source of the seals declines due to pollution or overfishing, which of the following would likely occur? The carrying capacity of seals would decrease, as would the seal population. The carrying capacity of seals would decrease, but the seal population would remain the same. The number of seal deaths would increase but the number of births would also increase, so the population size would remain the same. The carrying capacity of seals would remain the same, but the population of seals would decrease.
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Suppose 200 fish are marked and released in a pond. The following week, 200 fish are caught and 100 of them have marks. How many fish are in this pond?
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An ecologist studying several forest-dwelling, insect-eating bird species does not find any evidence of interspecific competition. The most likely explanation is (a) lack of a keystone species (b) low species richness (c) pronounced intraspecific competition (d) coevolution of predatorprey strategies (e) resource partitioning
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