Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 54.1, Problem 3R
Summary Introduction
To review:
The ways by which
Introduction:
The population is the cluster of all organisms of same species present in a particular area. Researchers study population and changes associated with population, which is termed as demography. There are various methods by which population size and geographic extent of organisms can be measured accurately.
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5)How does the number of different prey species available to an organism affect the number of offspring it can produce in a breeding season?
a)Population
b)Community
c)Ecosystem
1)Questions related to population dynamics look at which aspect of a population?
a)The factors that determine the maximum population size that can be supported in an environment
b)How diseases are transmitted through a population
c)How the genetics of a population change over time
d)How & why population size changes over time
e)How the number of species in an environment changes over time
Describe and give (an example) the following relationships between organisms.
a) predation
b) parasitism
c) mutualism
Chapter 54 Solutions
Life: The Science of Biology
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- What is the interaction exhibited by the organisms named tapeworm and dog? a.)mutualism b.)commensalism c.)predation d.)parasitism e.)competitionarrow_forwardHow are invasive species introduced into a new environment or ecosystem? Provide some examples of invasive species.arrow_forward49) Carrying capacity is A) seldom exceeded in real populations. B) the maximum population size that a particular environment can support. C) fixed for most species over most of their range most of the time. D) determined by density and dispersion data. E) the term used to describe the stress a population undergoes due to limited resources. 17) The small intestine has a very large surface area that directly facilitates high rates of A) digestion. B) absorption. C) elimination. D) filtration.arrow_forward
- What is the interaction exhibited by the organisms named ascaris worm and human? a.)mutualism b.)commensalism c.)predation d.)parasitism e.)competitionarrow_forwardWhat kinds of damage do non-native species cause?arrow_forwardThe bluestreak cleaner wrasse is a fish that inhabits coral reefs. These fish eat parasites off of larger fish. The larger fish benefit from increased health. In return, the wrasse receive nutrition and protection from the larger fish. What type of interaction is this? a) Predation b) Mutualism c) Parasitism d) Commensalismarrow_forward
- Which type of species produces many offspring , each of which has a small chance of surviving to maturity? a) Specialist species b) Generalist species c) r - selected species d) K- selected speciesarrow_forwardWhat happens if species with incomplete reproductive barriers come into contact with one another?arrow_forwardWhat is the interaction exhibited by the organisms named cat and rat? a.)mutualism b.)commensalism c.)predation d.)parasitism e.)competitionarrow_forward
- Which of the following can explain why species are able to coexist, even if the competitive exclusion principle is generally true? a) Species may be competitively equivalent, with the outcome of each competitive encounter being essentially random. b) Competitive exclusion may take many generations; prior to that point, there will be coexistence. c) Spatial heterogeneity in the distribution and concentrations of limiting resources can result in variation in the strength of competition across the landscape. choose all the answers that apply.arrow_forwardWhy is cannibalism an inharmonious intraspecific ecological interactions?arrow_forwardWhat is the interaction exhibited by the organisms named tilapias in a fishpond? a.)mutualism b.)commensalism c.)predation d.)parasitism e.)competitionarrow_forward
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