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 21RQ
Which of the following is not a way that humans have increased the
- agriculture
- using large amounts of natural resources
- domestication of animals
- use of language
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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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- What is another term used to describe: The second trophic level A herbivore A primary consumer A plant and animal eater The first trophic levelarrow_forwardCarrying capacity for humans on Earth is related to check all that apply): Group of answer choices amount of nesources on the planet population access to clean water incoming solar radiation average size of human food yields.arrow_forwardA bee consumes nectar from a flower witch of the following was described . Two organisms competing for food. A producer. An organism interacting with a non living component of its ecosystem. Or an organism depending on another organism for energy.arrow_forward
- Match the description or word with the correct principle of Environmental Sustainability (also known as the Scientific Principles of Sustainability). population control recycling of nutrients supplying energy to make a fixed source of carbon (food) coral reefs wind and flowing waterarrow_forwardAn ecologist studied how many kangaroo rats could be supported in two different habitats, a high‐quality habitat and a low‐quality habitat. The ecologist estimated the per capita benefit in each habitat as the number of individuals increased.arrow_forwardImagine the environment of an ecosystem changes such that it floods more often. Which species would most likely increase in numbers in this new environment? a flightless bird species that makes its nest on the ground a tree species that is tolerant of excess water a mammal species that burrows underground an insect species that lives on the leaves of short bushesarrow_forward
- An organism that harvested energy from electricity and got carbon to build biomolecules by harvesting carbon dioxide (CO2) gas from the air would be a __________. Group of answer choices producer primary consumer tertiary consumer (apex predator) decomposer secondary consumerarrow_forwardIn a certain ecosystem, field mice are preyed on by snakes and hawks. The entry of wild dogs into the system adds another predator of the mice. Of the following, the most likely short-term result of this addition is Group of answer choices: extinction of the hawks. a tendency for hawks to prey on the dogs. a reduction in numbers of mice. migration of the hawks to another ecosystem. an increase in snake population.arrow_forwardFood resource is one of the common reasons on ecological competition. Relate the importance of renewable and non-renewable resources in ecology. Explain how organism react on the availability of food resource in its environment in 10 sentences.arrow_forward
- make a prediction about the effects that future human population growth will have on the following:Food productionAvailable water supplySpreading of diseaseNatural resourcesEnergy demandsGlobal warmingarrow_forwardThe carrying capacity refers to the Group of answer choices: maximum sustainable population size for the prevailing environment. maximum growth rate of a population in which resources are unlimited. minimum amount of resources needed to sustain a finite population with zero population growth. minimum number of individuals in a population required to assure reproductive success.arrow_forwardExplain the effects on the ecosystem if Wood rat were removed. Provide both positive (if any) and negative impacts on the ecosystem. Be sure and include as many of the following terms in your writing as possible: autotroph, heterotroph, producer, primary consumer, secondary consumer, tertiary consumer, carnivore, omnivore, herbivore, energy, population, increase, and decrease.arrow_forward
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