Campbell Biology: Australian And New Zealand Edition + Mastering Biology With Etext
11th Edition
ISBN: 9781488687075
Author: Lisa, A. Urry
Publisher: PEARSON
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Textbook Question
Chapter 51.3, Problem 3CC
WHAT IF? Ø Suppose an infection in a common side-blotched lizard population killed many more males than females. What would be the immediate effect on male competition for reproductive success?
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Iti do a cohort study on some new cute animal, and I discover that most of the individuals die at a relatively young age, and only a few live close to the maximum age for the species, what
would you predict about the reproductive strategy of this species?
O They probably produce relatively few offspring and invest a lot of parental care into each offspring.
O They probably produce a lot of offspring, and invest a lot of parental care into each one.
O They probably produce a lot of offspring but do not invest much parental care in any individual offspring
O They probably produce offspring only after individuals manage to live to close to their maximum age
Explain the evolution of
alternative male reproductive
strategies within a single
species. Give examples.
nool deminerER
What can less dominant males do?
morebeemto lemates
Compensatory mating strategies
1. Forming friehdships with a particular female
(babbons).
2. Preejaculationfigienas).
3. Rape (ducks seorpionflies).
4. Satellite males ("parasitize successfulmales)
Highand loakung mae s ors were found a have
cs ofemales Du he hg arng mae had more
cmso lesales during estr Nghe chance to produce
Makingthe-best-of-a-bad-jab
reproduotive strategy
Conditional mating strategies:
Co-existing reproductive strategies
Genetic capacity for two altermative mating
strategies (decision" is made during
development, depending on nutrientavailability)
Big horn, small testes
OR
Small horn, large testes
Three different forms of sponge isopod males
CS Scanned with CamScanner
Mating success
Reproductive success
Mating success
80
80
Reproductive success
15
12
60
60
12
40
40
6.
20
20
3.
15
30
30
12
6.
20
20
4
10
10
2.
0 1 2 3 4 5
Number of mates
0 100 200 300
Number of offspring
0 1 2 34
Number of mates
0 40 80 120
Number of offspring
Figure 2. Distributions showing variation in mating and reproductive success in male (upper) and
female (lower) of Rough-Skinned Newts (left) and Broad-nosed Pipefish (right).
2. In which of the two species would you predict the costs of reproduction between males and
females is more similar and why?
Number of females Number of males
Chapter 51 Solutions
Campbell Biology: Australian And New Zealand Edition + Mastering Biology With Etext
Ch. 51.1 - If an egg rolls out of the nest, a mother greylag...Ch. 51.1 - WHAT IF? Suppose you exposed various fish species...Ch. 51.1 - MAKE CONNECTIONS How is the lunar-linked rhythm...Ch. 51.2 - How might associative learning explain why...Ch. 51.2 - Prob. 2CCCh. 51.2 - Prob. 3CCCh. 51.3 - Why does the mode of fertilization correlate with...Ch. 51.3 - MAKE CONNECTIONS Balancing selection can maintain...Ch. 51.3 - WHAT IF? Suppose an infection in a common...Ch. 51.4 - Prob. 1CC
Ch. 51.4 - Prob. 2CCCh. 51.4 - Prob. 3CCCh. 51 - How is migration based on circannual rhythms...Ch. 51 - Prob. 51.2CRCh. 51 - In some spider species, the female eats the male...Ch. 51 - Prob. 51.4CRCh. 51 - Prob. 1TYUCh. 51 - Prob. 2TYUCh. 51 - Female spotted sandpipers aggressively court males...Ch. 51 - Prob. 4TYUCh. 51 - Although many chimpanzees live in environments...Ch. 51 - Prob. 6TYUCh. 51 - Level 3: Synthesis/Evaluation 7. DRAW IT You are...Ch. 51 - EVOLUTION CONNECTION We often explain our behavior...Ch. 51 - SCIENTIFIC INQUIRY Scientists studying scrub jays...Ch. 51 - SCIENCE, TECHNOLOGY, AND SOCIETY Researchers are...Ch. 51 - WRITE ABOUT A THEME: INFORMATION Learning is...Ch. 51 - SYNTHESIZE YOUR KNOWLEDGE Acorn woodpeckers...
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- Many factors influence a species mode of reproduction. Use the descriptions of the following species to predict what system of hermaphroditism they probably display. 1. Individuals rarely disperse once they are sexually mature, and the largest males get the most matings. Females protect the eggs. [Select] 2. Resources are of uniform quality and evenly dispersed, so males are unable to monopolize them. Females are larger than males; Males protect the eggs. [Select] 3. Individuals are solitary, rarely meet others, and have no way of knowing the sex ratio in the population. There is no parental care. [Select] [Select] protogynous hermaphrodite continuous hermaphrodite protoandrous hermaphroditearrow_forwardWhat is the cost of sexual reproduction for males of Teleogryllus oceanicus on Kauai island?arrow_forwardMating success Reproductive success Mating success 、 師 80 80 Reproductive success 15 12 60 60 12 40 40 6. 20 20 3. 15 30 30 12 6. 20 20 4 10 10 2. 0 1 2 3 4 5 Number of mates 0 100 200 300 Number of offspring 0 1 2 34 Number of mates 0 40 80 120 Number of offspring Figure 2. Distributions showing variation in mating and reproductive success in male (upper) and female (lower) of Rough-Skinned Newts (left) and Broad-nosed Pipefish (right). 1. Briefly summarize the differences between the two species shown in the figures.arrow_forward
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- Infanticide by adult males… Group of answer choices is rare in most primate groups is not resisted by females, including the mother may be a strategy used to maximize an individual’s own reproductive success is performed as a means of intentional population control to limit overpopulation appears to serve no function other than domination of a group by a new alpha malearrow_forwardReview View Help Editing A BI U v Ev E E E E A Question 3 Females are usually the limiting sexual resource in populations. A) True B) False Question 10 options: is intraspecific variation due to environmental differences during development as opposed to genetic differences. (2 words)arrow_forwardsocially, sexually, seasonally are the optionsarrow_forward
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Reproduction: Crash Course Zoology #9; Author: CrashCourse;https://www.youtube.com/watch?v=poLyJDVjKlM;License: Standard youtube license