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Pearson eText Biology: Science for Life -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135214084
Author: Colleen Belk, Virginia Maier
Publisher: PEARSON+
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Question
Chapter 15, Problem 3LTB
Summary Introduction
Introduction:
In uniform distribution the populations are spaced evenly, for instance, the spacing between houses in a subdivision or strangers in a classroom tends to equalize the distances among individual property owners or people, the species shows uniform distribution.
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Students have asked these similar questions
The pattern of recovery in a community after a disturbance is called ___________________.
biogeochemical cycling
a trophic cascade
ecological succession
the trophic structure
A/An ____________ is an ecological relationship where one party benefits and the other is unaffected.
+++
NA
b. Macroinvertebrates-invertebrates that you can see without magnification-are indicator
species often surveyed when assessing aquatic ecosystems. The following data table and
graph represent macroinvertebrates sampled in two different streams, Stream A and Stream
B. Using the data, develop a claim about the overall and relative water quality of the streams
and support your claim with at least two pieces of evidence for each stream.
Claim:
Evidence:
Total Biomass (g)
Macroinvertebrate
Species Name
Mayfly nymph
Caddis fly larva
Freshwater shrimp
Water louse
Bloodworm
Sludge worm
120
100
80
60
40
20
0
Pollution Tolerance
Intolerant
Moderately intolerant
Moderately intolerant
Moderately tolerant
Moderately tolerant
Tolerant
Total biomass in sample (g)
Stream A
Stream B
0
0
Macroinvertebrate Biomass Comparison
4
30
70
34
10
2
G
Mayfly Caddis fly Freshwater Water Bloodworm Sludge
nymph
larva
shrimp
louse
worm
Stream A
Stream B
1
4
45
100
Chapter 15 Solutions
Pearson eText Biology: Science for Life -- Instant Access (Pearson+)
Ch. 15 - Prob. 1LTBCh. 15 - Prob. 2LTBCh. 15 - Prob. 3LTBCh. 15 - Prob. 4LTBCh. 15 - According to the graph shown here, the carrying...Ch. 15 - All of the following are density-dependent factors...Ch. 15 - In contrast to nonhuman populations, human...Ch. 15 - Populations that rely on stored resources are...Ch. 15 - The current carrying capacity of Earth for the...Ch. 15 - Prob. 10LTB
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