BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 54, Problem 4U
Summary Introduction
Introduction:
The clutch size is defined as the number of eggs produced by the birds in a nest. There is a relationship in the clutch size and offspring size in which, as the clutch size increases the size of the offspring decreases.
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A new species is discovered in which males care for offspring after birth, and females leaves the nest immediately. In this species, males are likely to
A. Have more offsprings overall than females.
B. Have fewer offspring overall than females.
C. Be promiscuous.
D. Have lower parental investment.
A new species is discovered in which males care for offspring after birth, and females leave the nest immediately. In this species, males are likely to
a.
be promiscuous.
b.
have lower parental investment.
c.
have fewer offspring overall than females.
d.
have more offspring overall than females.
Which of the following is associated with long-term parental care? a. few offspring b. many offspring c. semelparity d. fecundity
Chapter 54 Solutions
BIOLOGY
Ch. 54.1 - Prob. 1LOCh. 54.1 - Prob. 2LOCh. 54.1 - Explain how species adapt to environmental...Ch. 54.2 - Prob. 1LOCh. 54.2 - Prob. 2LOCh. 54.3 - Prob. 1LOCh. 54.3 - Prob. 2LOCh. 54.3 - Prob. 3LOCh. 54.4 - Prob. 1LOCh. 54.4 - Prob. 2LO
Ch. 54.5 - Prob. 1LOCh. 54.5 - Discuss why populations cannot grow exponentially...Ch. 54.5 - Define carrying capacity and explain what might...Ch. 54.6 - Prob. 1LOCh. 54.6 - Prob. 2LOCh. 54.6 - Prob. 3LOCh. 54.7 - Prob. 1LOCh. 54.7 - Prob. 2LOCh. 54.7 - Prob. 3LOCh. 54 - Prob. 1DACh. 54 - Prob. 2DACh. 54 - Prob. 3DACh. 54 - Prob. 4DACh. 54 - Prob. 5DACh. 54 - Prob. 6DACh. 54 - Prob. 1IQCh. 54 - Prob. 2IQCh. 54 - Prob. 3IQCh. 54 - Prob. 4IQCh. 54 - Prob. 5IQCh. 54 - Prob. 6IQCh. 54 - Prob. 7IQCh. 54 - Prob. 8IQCh. 54 - Suppose experimenters artificially kept the hare...Ch. 54 - Prob. 10IQCh. 54 - Prob. 11IQCh. 54 - Prob. 12IQCh. 54 - Source-sink metapopulations are distinct from...Ch. 54 - The potential for social interactions among...Ch. 54 - When ecologists talk about the cost of...Ch. 54 - Prob. 4UCh. 54 - The difference between exponential and logistic...Ch. 54 - Prob. 6UCh. 54 - Which of the following is an example of a...Ch. 54 - If the size of a population is reduced due to a...Ch. 54 - In populations subjected to high levels of...Ch. 54 - In a population in which individuals are uniformly...Ch. 54 - Prob. 4ACh. 54 - Refer to figure 55.8. What are the implications...Ch. 54 - Prob. 2SCh. 54 - Refer to figure 55.14. Because the number of...Ch. 54 - Refer to figure 55.26. Would increasing the mean...
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- In populations subjected to high levels of predation a. individuals should invest little in reproduction so as to maximize their survival. b. individuals should produce few offspring and invest little in any of them. c. individuals should invest greatly in reproduction because their chance of surviving to another breeding season is low. d. individuals should stop reproducing altogether.arrow_forwardMake guarding is a reproductive tactic that functions to directly:  A. Increase the number of males to which a male has access. B. Reduce the males paternity uncertainty. C. Increase male reproductive output. D. Reduce the females fitness.  arrow_forwardBased on the text on roaches mating: 1. Predict what factors in the environment can be altered to decrease the survival and reproduction of the pest and why the reproduction will decreasearrow_forward
- Fecundity is defined as the number of offspring produced pera. mating.b. brood.c. year.d. individual.arrow_forwardWhich of the following is associated with the reproductive potential of a species? a. few offspring b. many offspring c. semelparity d. fecundityarrow_forwardNoisy begging by nestlings to be fed by a parent is said to be an honest signal when it entails high costs. And if the begging calls are indeed costly, which of the following predictions is least likely to occur? A. Parents will deliver more food in response to stronger begging. B. A parents will provide more food in response to an offspring that cries the least. C. Noisy crying is more likely to attract the attention of predators. D. Begging intensity reflects the hunger level of the nestlings.arrow_forward
- Some birds, such as grouse and geese, lay large eggs and have young that are mobile and able to feed themselves at hatching (precocial chicks). Define what is meant by a “tradeoff” and discuss two tradeoffs that might limit clutch size (number of eggs laid in a nest) in these species. Explain your answer.arrow_forwardClassify the following scenarios with the appropriate term regarding different types of reproductive barriers. a. One species of owl is diurnal (active in daylight) and another is nocturnal (active at night)________________________ b.The blue footed booby will only mate after a male displays their bright blue feet_________________________ c. The hybrid offspring of a horse and donnkey is sterile___________________________________ 2. Use the diagram to the right to answer the following questions. c.Which letter (A, B, or C) represents the original population of fish? b.Which letter represents allopatric speciation? Explain your answer. c.Which letter represents sympatric speciation? Explain your answer.arrow_forwardWhich of the following would not be an example of density-deperident factors regulating population size? The number of possible territories for robins is limited; thus when population sizes are high, a lower proportion of individuals can produce offspring. A. O B. In conditions of overcrowding, some desert pupfish living in ponds will emigrate to other ponds if given the opportunity. C.Predation on mosquitofish is high, regardless of population size. D. In conditions of high density, mice are more susceptible to mortality from heat stress. E. In a habitat patch with a high density of muskrats, a disease spreads more rapidly and results in higher mortality.arrow_forward
- 1. The benefit of fighting for a territory is 12 reproductive units, and the cost is 8 reproductive units. Should you be hawk or dove? b. The benefit of fighting for a territory is 12 reproductive units, and the cost is 8 reproductive units. What is your benefit if you play hawk and your opponent plays dove? Using Hawk Dove Game Theory https://www.youtube.com/watch?v=lshGV-qxJmIarrow_forwardThe second assumption in formulating Lack's (1947) hypothesis is that clutch size affects only offspring survival. The data that are presented in the figure were obtained in an experiment conducted by Schluter and Gustafsson in 1993 to test this assumption. The researchers removed or added eggs to nests and monitored the offspring that hatched from the nests, recording subsequently the reproductive output for offspring females after they had matured. i. Females reared in nests from which eggs had been removed produced larger clutches. ii. Females reared in nests into which eggs had been added produced smaller clutches. iii. Observations described in statements i and ii are consistent with the second assumption. iv. Observations described in statements i and ii reveal a trade-off between offspring quantity and quality. Question 3 options: A) All statements convey accurate information. B) Statements i and ii convey…arrow_forwarda. In our hunt today, what factors besides the interactions between predator and prey, such as weather or surrounding environment, were affecting the population size of each species? Use specific examples.arrow_forward
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