Bundle: Biology: The Unity and Diversity of Life, Loose-leaf Version, 14th + LMS Integrated for MindTap Biology, 2 terms (12 months) Printed Access Card
14th Edition
ISBN: 9781305775480
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 43, Problem 3DAA
Summary Introduction
To examine: Whether the hypothesis supports that butterfly eyespots frighten the birds by mimicking their predators.
Concept introduction: Aggressive mimicry is a kind of mimicry by which the predators or
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Serotonin has been shown to be sufficient to trigger the development of the gregarious form of the migratory desert locust (Schistocerca gregaria). What predictions must have been tested to arrive at this conclusion? You should know that you can inject serotonin as well as drugs that disable serotonin directly into nymphal locusts.
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You want to distinguish between two hypotheses to explain the patterns you see:
1) Males not feeding the young is an adaptation to dimorphism
2) If males don't feed the young in a species, it will allow them to become brightly colored
To begin to address this question, map the characters changes in dimorphism and males feeding
the young onto each of the trees on the previous page.
CHARACTER
SEXUAL DIMORPHISM
MALES FEED YOUNG
Cassin's Vireo
No
No
Red Fox Sparrow
Cape May Warbler
Cedar Waxwing
Golden-Crowned Kinglet
Pyrrhuloxia
Yes
No
No
No
No
Yes
No
Yes
Yes
No
California Gull
No
Yes
Note: This data is fictional
5) Which of the hypotheses in part 4 is consistent with your analysis? Explain why in a brief paragraph.
DOTa species
The pesticide DDT was widely used in the 1940s as a method of insect control. In
the late 1950s the first DDT-resistant mosquitoes were discovered, and
eventually DDT-resistant mosquitoes were found globally. When DDT is used
now, the development of DDT resistance in mosquito populations occurs in
months rather than years.Which of the following best explains the observations
concerning DDT resistance in mosquitoes? *
The proportion of DDT-resistant mosquitoes in a population remains constant due to
the metabolic costs of DDT utilization
DDT is a chemical signal that delays normal reproductive cycles in many mosquito
populations.
Natural selection favors DDT-resistant mosquitoes that are already present in a
population when DDT exposure occurs.
Competition for limited resources causes mosquitoes to migrate to geographical
areas that have richer supplies of DDT.
A population of 1,492 finches is introduced to a rainforest. Over the next year, the
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Chapter 43 Solutions
Bundle: Biology: The Unity and Diversity of Life, Loose-leaf Version, 14th + LMS Integrated for MindTap Biology, 2 terms (12 months) Printed Access Card
Ch. 43 - Prob. 1SQCh. 43 - Stevan Arnold offered slug meat to newborn garter...Ch. 43 - An animal that navigates by the stars needs...Ch. 43 - The honeybee dance language transmits information...Ch. 43 - A _______ is a chemical that conveys information...Ch. 43 - Prob. 1DAACh. 43 - Prob. 2DAACh. 43 - Prob. 3DAACh. 43 - Prob. 6SQCh. 43 - Generally, living in a social group cost the...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
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