Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Chapter 57, Problem 9U
Summary Introduction
Introduction:
The species richness can be defined as the number of different types of species inhabiting a particular region. The species richness affects many of the ecological processes such as the amount of biomass produced. The diversity of the species is affected by the characteristics of the ecosystem.
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#1. Choose between:
GENETIC DIVERSITY, SPECIES DIVERSITY, ECOSYSTEM DIVERSITY
____________a. Introduction of large exotic species like salmon reduced the abundance of native fish species.
____________b. Overharvesting of tawilis led to population decline.
____________c. Conversion of land has reduced forest cover to 5% of original.
Which of the following is an example of a microclimate affecting an organism's fitness?
Select one or more:
a. A rat carcass lying in a sunny location, slowing the growth of fungus on it.
b. Seasonal rainfalls increasing in frequency, allowing a tree to produce more seeds.
X
c. Average temperatures increasing across a forest, leading to a reduction in prey for wolves to feed on.
X
d. A local wind mixing oxygen into the surface of a lake, increasing diatom photosynthesis rates
Which of the following would BEST help conserve biodiversity. CHOOSE ONLY ONE
a. Plant native trees
b. Engage in aquaculture
c. Backyard farming
Chapter 57 Solutions
Biology
Ch. 57 - Which of the statements about groundwater is NOT...Ch. 57 - Photosynthetic organisms a. fix carbon dioxide. b....Ch. 57 - Prob. 3UCh. 57 - Nitrogen is often a limiting nutrient in many...Ch. 57 - Prob. 5UCh. 57 - Prob. 6UCh. 57 - Inverted ecological pyramids of real systems...Ch. 57 - Prob. 8UCh. 57 - Prob. 9UCh. 57 - The equilibrium model of island biogeography...
Ch. 57 - Based on results from studies at Hubbard Brook...Ch. 57 - According to the trophic cascade hypothesis, the...Ch. 57 - At Cedar Creek Natural History Area, experimental...Ch. 57 - Given that ectotherms do not utilize a large...Ch. 57 - Given that, in general, energy input is greatest...Ch. 57 - Prob. 3SCh. 57 - Explain several detailed ways in which increasing...
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