BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 19, Problem 6MCQ
Summary Introduction
Introduction:
Habitat is the place where species can fulfill their needs. In case if two more species share a common habitat, the competition would develop between the species. However, some species manage to survive by sharing habitat with other species.
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A relationship between two species where one species benefits and the other is neither hurt nor helped is known asa. parasitism.b. commensalism.c. mutualism.d. competition.
How can a commensalism become a mutualism?
a. A commensalism cannot become a mutualism.
b. An interaction that was once harmful to one species becomes beneficial to both species.
c. An interaction that was once harmful to both species becomes beneficial to one species.
d. An interaction that was once beneficial to both species becomes beneficial to only one species.
e. An interaction that was once beneficial to one species becomes beneficial to both species.
What are some conditions that might lead to a mutualistic organism becoming a predator/parasite. Select all that apply.
A. Mutualistic nitrogen fixation bacteria might reduce the competitive ability of their host plants in environments with high N availability, because of the energetic costs to the plants of supporting the bacteria
B. none of the above
C. Mutualistic nitrogen fixing bacteria can become parasites in soil with low nitrogen availability because of the energy costs to the plant of supporting the bacteria
D. A mutualist fish species that feeds on ectoparasites of another fish species, might switch to feeding/removing important host tissue or secretions when ectoparasite abundance is too low.
Chapter 19 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 19.1 - Distinguish between ecosystems, communities, and...Ch. 19.1 - Prob. 2MCCh. 19.1 - What is the relationship between an organisms...Ch. 19.2 - Explain this statement: If Earths axis were not...Ch. 19.2 - Prob. 2MCCh. 19.3 - Prob. 1MCCh. 19.3 - Infer one adaptation of plants and one adaptation...Ch. 19.3 - Describe the types of organisms that live in each...Ch. 19.3 - Prob. 4MCCh. 19.3 - Describe some of the adaptations that characterize...
Ch. 19.4 - Prob. 1MCCh. 19.4 - Prob. 2MCCh. 19.4 - Prob. 3MCCh. 19.4 - Prob. 4MCCh. 19.4 - Prob. 5MCCh. 19.5 - Prob. 1MCCh. 19.5 - Prob. 2MCCh. 19.5 - Prob. 3MCCh. 19.5 - Prob. 4MCCh. 19.5 - How do disturbances prevent true climax...Ch. 19.6 - Prob. 1MCCh. 19.6 - Prob. 2MCCh. 19.6 - Prob. 3MCCh. 19.6 - Prob. 4MCCh. 19.6 - Prob. 5MCCh. 19.7 - Describe the main abiotic reservoirs for the...Ch. 19.7 - What unique roles do microbes play in the nitrogen...Ch. 19.7 - Prob. 3MCCh. 19 - Which of the following is an example of an...Ch. 19 - Why are the poles colder that equator? a. Because...Ch. 19 - A biome with high average temperature and moderate...Ch. 19 - Prob. 4MCQCh. 19 - Prob. 5MCQCh. 19 - Prob. 6MCQCh. 19 - Prob. 7MCQCh. 19 - Prob. 8MCQCh. 19 - Prob. 9MCQCh. 19 - Prob. 10MCQCh. 19 - How does a community differ from an ecosystem?Ch. 19 - Prob. 2WIOCh. 19 - Prob. 3WIOCh. 19 - Prob. 4WIOCh. 19 - Use the clues provided to determine which biome...Ch. 19 - Prob. 6WIOCh. 19 - Prob. 7WIOCh. 19 - Prob. 8WIOCh. 19 - Prob. 9WIOCh. 19 - Prob. 10WIOCh. 19 - Prob. 11WIOCh. 19 - Search the Internet to find a definition for...Ch. 19 - Prob. 1PITCh. 19 - Prob. 2PITCh. 19 - Prob. 3PIT
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