Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 45, Problem 15RQ
A forest fire is an example of regulation.
- density-dependent
- density-independent
- r-selected
- K-selected
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The logistic model incorporates carrying capacity to make the model exponential
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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- Describe the growth at various parts of the S-shaped curve of logistic growth.arrow_forwardGive an example of how density-dependent and density-independent factors might interact.arrow_forwardThe competitive exclusion principle is best defined as Multiple Choice the competition among individuals of the same species in the same location. the principle that two species that occupy the same niche cannot coexist indefinitely. an interaction between species that enhances the fitness of the exploiting individual while reducing the fitness of the exploited individual. the principle that if an organism allocates energy to one function, such as growth or reproduction, it reduces the amount of energy available to other functions.arrow_forward
- Space is an example of a density. O Independent / abiotic O Independent/biotic Dependent / abiotic Dependent / biotic limiting factor and is also a(n). factor.arrow_forwardWhat is the relationship between limiting factors competition and adaptionsarrow_forwardCarrying Capacity and Limiting Factors Carrying capacity is defined as the number of organisms that an ecosystem can support. The carrying capacity is determined by limiting factors that determine the growth of populations within the ecosystem. Biotic limiting factors include the availability of food and competition with other organisms. Abiotic limiting factors include space, temperature, and the availability of water. The carrying capacity and the limiting factors of an ecosystem are related. A population will experience logistic growth due to limiting factors and experience exponential growth due to an absence of limiting factors, as shown in the graph. Exponential growth Population size Red-tailed hawk Logistic growth The Sonoran Desert covers portions of Arizona, California, and Northwestern Mexico. The desert is rich in biodiversity and includes organisms such as desert cottontail rabbits, coyotes, birds, insects, reptiles, and many plant species. While it is mostly hot and dry,…arrow_forward
- The biotic potential (r) of a species will; Rise when there is an increase in food Remain constant regardless of the situation Decrease when competition is high Decrease as the population approaches carrying capacityarrow_forwardwhich help stabilize a community? presence of keystone and dominant species high conectivity aming species in community large number of different species in community all tend to do destabilize community all help stabilize communityarrow_forwardThe maximum sustainable yield (MSY) is the highest rate at which a potentially renewable resource can be used indefinitely without reducing its available supply. The idea is to remove individuals while keeping the population at a constant growth rate and size, but to find the size where the harvest is maximized. The greater the growth rate, the more individuals you can remove and not change the population size. Where is the growth rate at its maximum? To find this look at your logistic model simulator. 1. Set up a hypothetical salmon population where the carrying capacity is 20,000 fish, the maximumr is 0.7. According the the maximum sustainable yield (MSY), at what population size should we maintain the salmon while fishing?arrow_forward
- Is an environment's carrying capacity mainly affected by density-dependent or density-independent factors? Explain your answer.arrow_forwardA gypsy moth population has overtaken a grove of oak trees. The gypsy moths eat the trees, causing the trees to die. What type of density-dependent factor would the gypsy moths be considered? predation disease and parasites competition physiological changearrow_forwardDo the above hypothesis support the graph? Explain Foraging in a mixed-species flock scenario, the assumption is that the establishment of mixed-species flocks will enhance feeding productivity.arrow_forward
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