Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
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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Check out a sample textbook solutionStudents have asked these similar questions
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
finches showa death rate of…
Question 2.
a. What is the importance of becoming aware of the different developmental stages of insects?
b. Why do we need to know the nymph and larvae that affects crops?
Chapter 43 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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
- Question 1 a. What is the difference between incomplete metamorphosis and gradual metamorphosis? b. What are examples of insects that go through incomplete metamorphosis C. What are examples of insects that go through gradual metamorphosis?arrow_forwardtrue/false 1. Large Aspen Tortrix (Choristoneura conflictana) makes a large silken tent and uses it as a communal place. 2. Trichoptera has hairy wings. 3. Black Fire Beetle (Melanophila acuminata) has infrared receptor so that they can detect burned forests. 4. White-spotted Sawyer (Monochamus scutellatus) belongs to the family Buprestidae and makes D-shaped emergence holes.arrow_forwardConsider the following statements and indicate whether each presents an idea of Jean- Baptiste Lamarck, of Charles Darwin or of both scientists. On the blank before the statement, write L for Lamarck, D for Darwin or B for both. 1) An organism directs its own adaptations because of an inborn urge to be perfect (that is, to be better suited to the environment). 2) Individuals do not evolve, but populations do. 3) Individuals in a population exhibit variation in their traits, such that no two individuals are exactly alike. 1 4) Many different kinds of living things are adapted to their environment. 5) Members of a population who are better adapted to the environment have higher chances of survival and reproduction. 6) Parents pass on their traits to their offspring. Carrow_forward
- The four-eyed fish, Anableps anableps, really has only two eyes, which function as four, enabling the fish to see clearly through both air and water. A. anableps is a surface feeder, so the ability to see above water helps it locate prey such as insects. Its unique eyes also enable it to scan simultaneously for predators attacking from above (such as birds) or below (such as other fish). This species of fish crafted by natural selection.(a) is an example of coevolution (b) has an evolutionary adaptation (c) is an example of sympatric speciation (d) is an example of allopatric speciationarrow_forwardLike other nocturnal carnivores, the ferret shown in FIGURE 33.13 has light-reflecting material in its choroid. Explain why the presence of reflective material in this layer of the eye maximizes the degree to which light excites photoreceptors. Explain also why having reflective material in this layer causes the perceived image to be somewhat blurry. FIGURE 33.13 Eyeshine of a back-footed ferret A reflective layer in this nocturnal predators eyes enhances its night vision,arrow_forwardPrairie Crocus Usually, the first spring flower people notice in the southern Yukon is the prairie crocus. Statements Related to the Adaptations of the Prairie Crocus 1 The prairie crocus, like the sunflower, is a heliotrope. That means its flower turns through the day to follow the Sun. The petals act like a satellite dish to focus the light and warmth of the sun into the centre flower. Small insects such as ants crawl into the centre of the flower, where the temperature is significantly warmer, and move around pollinating the flower. 2 The fine hairs on its leaves reduce water loss by protecting the leaves from the wind. 3 The crocus blooms while the flower is still close to the ground and well-protected. 4 Unlike most plants, the stalk continues to grow even after the flower has been pollinated so that the seed pod forms as high as possible for better seed distribution. Identify the statement or statements that you would consider to be adaptations that allow the prairie crocus to…arrow_forward
- 5c) Do you believe that experiments might be useful in determining the adaptive function of the pecten, if it indeed serves an adaptive function? Outline a simple experiment to see whether the presence of a pecten in the bird eye is an adaptation.arrow_forwardMany people like to eat spicy foods, but most other mammals don’t. Historically, the general trend was that the hotter the climate, the spicier the foods a society traditionally favored. Using these facts as a starting point, what might be the selective advantage for plants that can manufacture spicy chemicals? Why might it be useful for humans to tolerate, and even enjoy, spicy food?arrow_forwardPart 1. Neuroscience of social behaviour The data in figure 1 below show the shoaling behaviour of wild-type zebrafish compared to a novel zebrafish mutant. Groups of sixteen fish were placed into a large rectangular tank and their behaviour was recorded for 5 minutes. Tracking software was used to estimate the nearest neighbour distance and inter-individual distance. The bar charts depict the mean and standard deviation (shown as an error bar). ** indicates a statistically significant difference individual differences. Q1. Describe the phenotype of the mutant zebrafish compared to wild-type. I found this question online for revision but i cant find the mark scheme.arrow_forward
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