BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 18, Problem 3PIT
Summary Introduction
To determine:
The density-dependent, density-independent,
Introduction:
The carrying capacity is the maximum number of population of individuals that the ecosystem can support before collapsing. The density dependent and density-independent factors have the effects that may or may not depend on the population density, respectively.
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Chapter 18 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 18.1 - Prob. 1MCCh. 18.1 - Prob. 2MCCh. 18.1 - Prob. 3MCCh. 18.2 - What is population density?Ch. 18.2 - Prob. 2MCCh. 18.3 - Under what conditions will a population grow?Ch. 18.3 - Prob. 2MCCh. 18.3 - Prob. 3MCCh. 18.4 - Prob. 1MCCh. 18.4 - Distinguish between opportunistic and equilibrium...
Ch. 18.5 - What conditions support exponential population...Ch. 18.5 - Prob. 2MCCh. 18.5 - Distinguish betw een density-dependent and...Ch. 18.6 - Prob. 1MCCh. 18.6 - Prob. 2MCCh. 18 - Which of the following is arranged from least...Ch. 18 - Prob. 2MCQCh. 18 - Prob. 3MCQCh. 18 - Prob. 4MCQCh. 18 - Prob. 5MCQCh. 18 - Prob. 6MCQCh. 18 - Prob. 1WIOCh. 18 - Prob. 2WIOCh. 18 - Prob. 3WIOCh. 18 - Prob. 4WIOCh. 18 - Prob. 5WIOCh. 18 - Prob. 6WIOCh. 18 - Prob. 7WIOCh. 18 - Prob. 1SLCh. 18 - Prob. 1PITCh. 18 - Prob. 2PITCh. 18 - Prob. 3PIT
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- Describe the growth at various parts of the S-shaped curve of logistic growth.arrow_forwardWhat is the relationship between population density and available resources? exponentially proportional There is no relationship. directly proportional inversely proportionalarrow_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
- The growth of a population of natural resources (such as hardwood trees) over time is illustrated by the graph. Two significant pieces of information are included: the environment's carrying capacity and the maximum sustainable yield. The environment's carrying capacity is the point at which all available resources are being used by the organisms in the population, and the maximum sustainable yield is the point at which the highest number of the population are being harvested without impairing the populations' growth. (see pic.) Identify the assumptions about population growth that are implicit in the figure. (multiple answers can be chosen.) A) The environment's carrying capacity does not change over time due to any increase or decrease of resource availability. B) The population grows logistically until it nears the environment's carrying capacity and does not diverge from this rate over time. C) The maximum sustainable yield grows logistically until it reaches the…arrow_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_forwardWhat defines the carrying capacity of a population? Choose All That Apply the maximum number of individuals a particular habitat can support an indicator of the functional requirements that individuals in a population need for growth and reproduction a reflection of the environmental resources that are needed to support a populationarrow_forward
- give natural examples of density-independent Population regulation (e.g. aquatic weed in South America etc.)arrow_forwardWhat is a benefit of uniform dispersion? decreased competition increased resources easier reproduction increased competitionarrow_forwardAt which level of the Ecological Model is the following quote focused upon? "Now a new study carried out at the University of California, San Francisco, has documented the health impact of a soda sales ban on its employees. Ten months after a sales ban went into effect, UCSF workers who tended to drink a lot of sugary beverages had cut their daily intake by about half. By the end of the study period, the group had, on average, reduced their waist sizes and belly fat, though they did not see any changes in their body mass index." (https://www.nytimes.com/2019/10/28/well/eat/sugary-drink-soda-ban-health-medical- center.html) Public policy Interpersonal O Institutional Communityarrow_forward
- Define the following and give examples of each:Density independent limiting factor - Density dependent limiting factor -arrow_forwardDescribe biotic potential. Describe carrying capacity. How do these two factors affect population growth and the ultimate stable size of a population?arrow_forwardThe length of a food chain is limited by the efficiency of the energy transfer along the chain. According to the Energetic hypothesis, what is the percentage of the energy stored in the organic matter of each trophic level that is converted to organic matter at the next trophic level. 10% 20% 50% None of these answers Among the four statements which ones reflect density-dependent regulation of population size? 1. A population of mice in a barn declines because a farmer has acquired two cats. 2. Mosquitos disappear from.an area after the first frost. 3. A lethal virus spreads more rapidly in cities than in rural areas. 4. Winds from a hurricane breaks down all the willow trees on the shore of a lake. 2, 3 and 4 2 and 4 1 and 3 1 and 2 and 3 ... e...arrow_forward
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