Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 48, Problem 3SQ
Summary Introduction
Introduction: Declination of biodiversity on the world’s ecosystem can be due to the influence of human activities. There are many other causes like loss and alternation of the habitats, introduction of genetically-modified organisms and exotic species, pollution, and climatic changes. Mostly, the threatened species become endangered in the near future due to some environmental causes and human activities.
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An _______species has population levels so low it is at great risk of extinction in the near future. a. endemic c. indicator b. endangered d. exotic
Competitive exclusion is the result of
a. mutualism
by two species for the same limiting resource.
b.competition
c. parasitism
d. symbiosis
e.commensalism
_____ is a term describing species that are in danger of becoming endangered.
a. extinct
b. extirpated
c. endangered
d. threatened
Chapter 48 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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