Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 46, Problem 7TY
Summary Introduction
Introduction:
The diminishing of a species or organisms from the earth is termed as extinction of that species. The moment of extinction occurs, when the last organism of the species dies, resulting in the lost of breeding or reproduction capacity.
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Which of the following statements about the concept of ecological niche is correct?
A species' realized niche, may or may not be the same as its fundamental niche
The fundamental niche of a species includes biotic and abiotic factors while the realized niche only includes biotic factors
A species' fundamental niche is always smaller than its realized niche
A niche is the same as a habitat
The 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.
Someone with a life-centered environmental worldview believes that
species exist primarily for the use of humans
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all species have value in fulfilling their particular role within the biosphere,
regardless of their potential or actual use to humans
all species deserve to be protected, but do not have value unless they are useful
to humans
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Chapter 46 Solutions
Principles of Biology
Ch. 46.1 - If the population pyramid in (a) was inverted,...Ch. 46.1 - Prob. 2CCCh. 46.1 - Prob. 1TYKCh. 46.1 - The total fertility rate is highest in Latin...Ch. 46.2 - Prob. 1CCCh. 46.2 - Prob. 1TYKCh. 46.2 - Prob. 2TYKCh. 46.3 - Prob. 1CCCh. 46.3 - Prob. 1BCCh. 46.3 - Prob. 1TYK
Ch. 46.3 - Prob. 2TYKCh. 46.4 - Prob. 1TYKCh. 46.5 - Prob. 1TYKCh. 46.6 - Prob. 1TYKCh. 46.6 - Prob. 2TYKCh. 46.7 - Prob. 1BCCh. 46.7 - Prob. 2BCCh. 46.7 - Prob. 1TYKCh. 46.7 - Prob. 2TYKCh. 46 - Prob. 1TYCh. 46 - Prob. 2TYCh. 46 - Prob. 3TYCh. 46 - Prob. 4TYCh. 46 - Prob. 5TYCh. 46 - Prob. 6TYCh. 46 - Prob. 7TYCh. 46 - Prob. 8TYCh. 46 - Prob. 9TYCh. 46 - Prob. 10TYCh. 46 - Prob. 1CCQCh. 46 - Prob. 2CCQCh. 46 - Prob. 3CCQCh. 46 - Prob. 1CBQCh. 46 - Prob. 2CBQ
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- Which of the following communities would be most resilient to the removal of 1 species? a community where the top predators have many food sources, but the primary consumers do not a community where the primary consumers have many food sources, but the top predators do not a community where each organism is the only food source of another organism a community where every organism has multiple food sourcesarrow_forwardWhich of the following are components of a species' ecological niche? It's habitat which species it competes with The species it co-operates with All of the above are components of the ecological nichearrow_forwardWhat can you do to change the loss of biodiversity that is occurring? What can we, the human population, do? The Facts: Choose a fact and explain its impact to you, to the world, to the environmentarrow_forward
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- Which of the following is true of McKibben invasive species will help other species adapt to change In regards to the environment, he is considered an optimist Believes that continuation of highway systems will help improve the environment In regards to the environment, he is considered a pessimistarrow_forward23) Being a top carnivore, the grizzly bear is most likely prone to extinction because of its Group of answer choices need for specialized breeding areas. fixed migratory patterns. large size. large territoryarrow_forwardRead this quote from Charles Darwin (from Origin of Species). What is he describing? "Thus, I can understand how a flower and a bee might slowly become, either simultaneously or one after the other, modified and adapted to each other in the most perfect manner, by the continued preservation of all the individuals which presented slight deviations of structure mutually favorable to one another." An interaction network. A predator/prey cycle. O Coevolution. An obligate mutualism.arrow_forward
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