Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 31, Problem 4MC
Summary Introduction
Introduction:
Biocapacity measures the amount of sustainable
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The study of nutrient cycling though the environment is an example of which of the following? a. organismal ecology b. population ecology c. community ecology d. ecosystem ecology
All biotic and abiotic factors are interrelated. In nature you will find that if one factor is changed or removed, it impacts the availability of other resources within the system. Knowing this, give an example of what might happen given the following situations. In the areas with the open space place either an A for abiotic or B for biotic to identify what the object is.
Answer the questions below based on the Active Reading above:
1. Organisms need
to live and
to survive.
2. What do limiting factors do?
a. Separate biotic factors from abiotic factors.
b. Determine which is the predator and which is the prey.
€. Regulate how many organisms live in an ecosystem.
d. Determine which natural disasters will hit an area.
3. Which of the following are abiotic limiting factors?
a. The decomposers in an ecosystem.
b. The populations of producers in a given habitat.
c. Carrying capacities of several species.
d. Water, space, and oxygen.
4. Which of the following is a biotic limiting factor?
a. The amount of breathable oxygen available to a population.
b. Food available for organisms
lw ast
C. The nitrogen to oxygen ratio in the air supply.
d. The number of bodies of water in a habitat.
5. In biology, what is carrying-capacity?
a. The maximum population size an ecosystem can support.
b. A total list of the limiting factors.
C. How much weight an organism can…
Chapter 31 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 31.1 - describe the goals of conversation biology?Ch. 31.1 - Prob. 2CYLCh. 31.2 - Prob. 1CSCCh. 31.2 - describe the major categories of ecosystem...Ch. 31.2 - Prob. 1TCCh. 31.2 - Prob. 2CYLCh. 31.3 - define mass extinction?Ch. 31.3 - Prob. 1HYEWCh. 31.3 - explain why biologists fear that a mass extinction...Ch. 31.4 - Prob. 1CSC
Ch. 31.4 - Prob. 1CYLCh. 31.4 - Prob. 1TCCh. 31.4 - Prob. 2CYLCh. 31.5 - Prob. 1CSCCh. 31.5 - Prob. 1CYLCh. 31.5 - Prob. 1TCCh. 31.5 - Prob. 2CYLCh. 31.6 - Before 1700, wolves roamed over almost all of...Ch. 31.6 - describe the principles of sustainable...Ch. 31.6 - In 1970, Atlantic leatherback sea turtle...Ch. 31.6 - explain how population, technology, and lifestyle...Ch. 31 - List some reasons that the ecological footprints...Ch. 31 - Prob. 1FIBCh. 31 - A factor that increases humanity ecological...Ch. 31 - Prob. 1RQCh. 31 - Search for and describe some examples of habitat...Ch. 31 - Prob. 2FIBCh. 31 - Prob. 2MCCh. 31 - What is ecological economics? Why is it important?Ch. 31 - Prob. 3FIBCh. 31 - Prob. 3MCCh. 31 - Prob. 3RQCh. 31 - Prob. 4FIBCh. 31 - Prob. 4MCCh. 31 - Prob. 4RQCh. 31 - The smallest population of a species that is...Ch. 31 - Which of the following is not true of a population...Ch. 31 - Why are efforts to protect monarch butterflies a...Ch. 31 - A Native American saying tells us that We do not...
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- An ecological system, or ecosystem, encompasses a. biotic and abiotic factors. b. abiotic factors onlly. c. biotic factors only. d. only land.arrow_forwardThe shape of an ecological pyramid, with each successive layer being smaller than the one below it, can be explained most readily by:a. the first law of thermodynamicsb. inefficient geochemical cyclesc. the second law of thermodynamicsd. industrializationarrow_forwardThe total amount of living tissue within a given trophic level is called the: O A. Biomass O B. Energy mass C. Organic mass O D. Trophic massarrow_forward
- The process of certain elements through different trophic levels is also called A. food chain B. biodiversity C. biogeochemical cyclingarrow_forwardA conceptual model representing the role, interaction, reaction, and density of essential ecosystem components is shown below. Examine the model and the relationships between the major players (i.e., predator, prey, producer). The structure's most important role is played by these major players. It's also worth noting that nutrition has been included in the model. This is the abiotic component that has a direct or indirect impact on the interaction. Question: Why does the organism’s interaction appear in an oscillating pattern? What does it suggest?arrow_forwardThe number of trophic levels an ecosystem can support is driven by… (select all that apply) A- The amount of energy available (primary productivity) B- The speed of nutrient cycling (decomposition) C- The population size of top predators in the ecosystem D- The efficiency of energy transfer across trophic levels E- The composition of the plant communityarrow_forward
- A conceptual model representing the role, interaction, reaction, and density of essential ecosystem components is shown below. Examine the model and the relationships between the major players (i.e., predator, prey, producer). The structure's most important role is played by these major players. It's also worth noting that nutrition has been included in the model. This is the abiotic component that has a direct or indirect impact on the interaction. Question: Based on this scenario, what is the most significant role of sea otters in the marine community? Why it’s important?arrow_forwardA conceptual model representing the role, interaction, reaction, and density of essential ecosystem components is shown below. Examine the model and the relationships between the major players (i.e., predator, prey, producer). The structure's most important role is played by these major players. It's also worth noting that nutrition has been included in the model. This is the abiotic component that has a direct or indirect impact on the interaction. Question: What can be deduced about the center of the circle?arrow_forwardWhich of the following statements BEST describes energy transfer in an ecosystem? A. If the primary producer has 175,000 kcal available, the secondary consumer will receive 17,500 kcal from the primary consumer. B. If the primary consumer has 175,000 kcal available, the secondary consumer will receive 17,500 kcal from the primary consumer. C. If the primary consumer has 175,000 kcal available, the tertiary consumer will receive 175 kcal from the secondary consumer. D. If the primary producer has 175,000 kcal available, the tertiary consumer will receive 17,500 kcal from the secondary consumer.arrow_forward
- "Write a scenario describing what would happen to an ecosystem or to the human system in the event that:(a) All producers are killed through loss of fertility of the soil or through toxic contamination, (b) decomposers and detritus feeders are eliminated. Support all of your statements with reasons drawn from your understanding of the way ecosystems function"arrow_forwardAs energy is transferred from one trophic level to the next, substantial amounts of energy are lost to/asa. undigestible biomass.b. heat.c. metabolism.d. All of the above.arrow_forwardGross primary productivity refers to the total a. energy used by the heterotrophs of the ecosystem in a given period of time b. energy captured initially by the producers c. quantity of solar energy reaching a given area of the ecosystem d. quantity of solar energy available to the ecosystem in a given period of time e. energy used by the producers for their growth and reproductionarrow_forward
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