Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 54.2, Problem 7LO
Summary Introduction
To distinguish: Bottom-up and top-down processes in ecosystem regulation.
Introduction: The elucidation and inspection of patterns and processes within the community are collectively known as community ecology. Communities contain a large number of individuals of different species which interact with each other and are independent in various ways. Every organism plays one of the three important roles of the ecosystem in community life, namely producer, consumer, or decomposer. There are a few species in a community that utilize strong control the structure and function of that particular community.
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Imagine you are a botanist. Below are characteristics of a never-before described plant species recently identified as part of the ‘All Taxa Biodiversity Inventory’ (ATBI).
Field Notes: Specimen collected from shaded area along stream in South Cumberland State Park (Grundy County, TN).
Laboratory Analysis:
Body: Large leaves emerging from underground rhizome.
Size: 63 cm
Chromosomal Analysis: Plant body is diploid—chromosome number of 44.
Lignin test: Positive
Cuticle: Present
Leaves: Present—large with branched veins. Underside has sori (containing haploid spores).
Roots: Present—branch from the inside.
Stem: Present—vascular tissue (xylem & phloem) present.
Life History: Diploid sporophyte dominant generation. Haploid spores germinate into heart-shaped, haploid, gametophyte. Water required for fertilization; no seed is produced. Diploid zygote develops into sporophyte.
Explain which domain, kingdom and phylum you believe this plant should be classified…
CUÁ
Glycine
A C C
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Glycine Arginine Proline
Alanine
A C C
CC G
GGAUUGGUGGGGC
Structure X
I
mRNA
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Why is it necessary for organisms to have the ability to adapt?
Why is the current environment making it difficult for organisms like the monarch butterfly to adapt?
Explain how organisms develop adaptations.
Chapter 54 Solutions
Biology (MindTap Course List)
Ch. 54.1 - Define ecological niche and distinguish between an...Ch. 54.1 - Define competition and distinguish between...Ch. 54.1 - Summarize the concept of the competitive exclusion...Ch. 54.1 - Define predation and describe the effects of...Ch. 54.1 - Distinguish among mutualism, commensalism, and...Ch. 54.1 - How are acorns, gypsy moths, and Lyme disease...Ch. 54.1 - Why is an organisms realized niche usually...Ch. 54.1 - Which principle of community ecology is...Ch. 54.1 - Name the three kinds of symbiosis and give an...Ch. 54.2 - Prob. 6LO
Ch. 54.2 - Prob. 7LOCh. 54.2 - Prob. 1CCh. 54.2 - Prob. 2CCh. 54.3 - Summarize the main determinants of species...Ch. 54.3 - Prob. 9LOCh. 54.3 - Prob. 1CCh. 54.3 - Prob. 2CCh. 54.3 - Prob. 3CCh. 54.4 - Define succession and distinguish between primary...Ch. 54.4 - Prob. 11LOCh. 54.4 - Prob. 12LOCh. 54.4 - Prob. 1CCh. 54.4 - Prob. 2CCh. 54.4 - Prob. 3CCh. 54 - A symbiotic association in which organisms are...Ch. 54 - A species __________ is the totality of its...Ch. 54 - Prob. 3TYUCh. 54 - The tendency for two similar species to differ...Ch. 54 - Competition with other species helps determine an...Ch. 54 - Complete competitors cannot coexist is a statement...Ch. 54 - Prob. 7TYUCh. 54 - The _______________ signifies that species...Ch. 54 - An unpalatable species demonstrates its threat to...Ch. 54 - A limiting resource does all the following except...Ch. 54 - An ecologist studying several forest-dwelling,...Ch. 54 - Support for the individualistic model of community...Ch. 54 - Prob. 13TYUCh. 54 - Many plants that produce nodules for...Ch. 54 - EVOLUTION LINK The rough-skinned newt, which lives...Ch. 54 - EVOLUTION LINK Competition is an important part of...Ch. 54 - INTERPRET DATA Examine the top and middle graphs...Ch. 54 - SCIENCE, TECHNOLOGY, AND SOCIETY Describe the...
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