Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 20, Problem 19BS
Summary Introduction
To determine:
The use of lethal measures to control invasive species naturally.
Introduction:
The species which have the ability of spreading to a higher intensity and cause harm to the environment, economy and health of human are called Invasive species. They are not a native species (introduced species) of any specific location. Introduction of invasive species is the second number of causes of habitat destruction.
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Students have asked these similar questions
Habitats with moderate levels of disturbance have higher species diversity.
A) True
B) False
Based on the intermediate disturbance hypothesis, a community's species diversity is increased bya) frequent immigrations of new speciesb) moderate levels of disturbancec) intensive disturbance by humansd) stable conditions with no disturbance
The Canary Islands are a volcanic island chain off the western coast of Africa
with a larger percentage of specialist species than generalist species. If an
invasive species is introduced to one of the Canary Islands, which of the
following represents an immediate impact? (NOTE: a specialist species has a
narrow ecological tolerance, while a generalist has a wide ecological tolerance)
The populations of the invasive species on the Canary Islands will decrease as
predation increases.
The population of the invasive species on the Canary Islands will decrease because
they were outcompeted by native specialist species.
The populations of both the invasive species and the specialist species on the Canary
Islands will remain the same as a result of resource partitioning.
The populations of the specialist species on the Canary Islands will decrease as
competition for resources increases.
Chapter 20 Solutions
Campbell Essential Biology (7th Edition)
Ch. 20 - Prob. 1SQCh. 20 - According to the concept of competitive exclusion,...Ch. 20 - Prob. 3SQCh. 20 - Prob. 4SQCh. 20 - Why are the top predators in food chains most...Ch. 20 - Over a period of many years, grass grows on a sand...Ch. 20 - According to the energy pyramid, why is eating...Ch. 20 - Local conditions, such as heavy rainfall or the...Ch. 20 - Prob. 9SQCh. 20 - Prob. 10SQ
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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 of the following statements is/are consistent with the Intermediate disturbance hypothesis? Species diversity is maximized in areas that experience high levels of disturbance Areas with low levels of disturbance will be dominated by K selected species Decades of suppression in California has likely increased diversity in our national forests Areas with intermediate levels of disturbance will have the lowest levels of diversityarrow_forwardDescribe any three ways in which invasive species may impact biodiversity.arrow_forwardDescribe the potential effects when a keystone species is removed from a community.arrow_forward
- Environmental scientists David Pimentel, Rodolfo Zuniga, and Doug Morrison of Cornell University reviewed scientific estimates for the economic and ecological costs imposed by introduced and invasive species in the United States. They found that, as of 2005, approximately 50,000 species had been introduced in the United States and that these accountedfor over $120 billion in economic costs each year. These costs include direct losses and damage, as well as costs required to control the species. (The researchers did not quantify monetary estimates for losses of biodiversity, ecosystem services, and aesthetics, which they said would drive total costs several times higher.) Calculate values missing from the table to determine the number of introduced species of each type of organism and the annual cost that each imposes on our economy. Of the 50,000 species introduced into the UnitedStates, half are plants. Describe two ways in whichnon-native plants might be brought to a new location.How…arrow_forwardWhich of the following best predicts the consequences of introducing small Indian mongoose to an island where they did not previously exist?( Invasive species) (Choice A) A The mongoose population will grow rapidly, disrupting the island's community structure by preying on native animals. (Choice B) B The mongoose population size will likely remain smal, and as a result the mongoose population will not be able to outcompete other predator populations for resources. (Choice C) Without any natural diseases, the mongoose population will become established and help increase the species diversity of the island. (Choice D) D Without its typical food sources, the mongoose population will not be able to become established, and the island ecosystem will remain stable. answer explainarrow_forwardWhich one of these statements about COSEWIC is false? COSEWIC's assessments take into account political, social and economic factors. The Species at Risk Act (2002) established COSEWIC as an advisory body. The committee made its first designation in April 1978 and has met annually since then. Members of COSEWIC are wildlife biology experts from academia, government, non-governmental organizations and the private sector responsible for designating wildlife species in danger of disappearing from Canada.arrow_forward
- Give two examples of the benefits gained by theintroduction of nonnative species. Give two examplesof the harmful effects of nonnative species that havebeen introduced deliberately and two examples of thesame for accidentally introduced species. Explain whyprevention is the best way to reduce threats frominvasive species and list four proposed ways to implement this strategyarrow_forwardHow might your own behavior influence the influx and ecological impacts of non-native species like those listed above? Name three things you could personally do to help reduce the impacts of invasive species.arrow_forwardHabitats with moderate levels of disturbance have higher species diversity. Question 2 options: A) True B) Falsearrow_forward
- for species inasion what are the local negative ecological impacts of two example invasive speciesarrow_forwardExotic or non-indigenous species are species that have been transported to new locations by humans, either intentionally (e.g., the ornamental trade, fisheries or aquaculture) or unintentionally (e.g., accidental release of aquarium or pet species), and have established one or more populations in their new location. Exotic species may become invasive species if they expand their range in their novel region and become abundant. The presence of invasive species is of concern because invasive species can have negative effects on the affected ecosystems or commercial interest. Research an invasive species and include the following: Scientific name and common name (if the species has one) The species native region and invaded region Consequences or concerns that the species presents. Potential solutions Include referencesarrow_forwardIdentify one problem created by the introduction of the invasive species. Provide a solution for the removal of the invasive species. Explain your solution for the removal of the native species, economy and/or social impacts? How long do you think it will take to return to the original biodiversity of the ecosystem based on your solution and why?arrow_forward
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