Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134168296
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 27, Problem 7RQ
Summary Introduction
To review:
Differences between populations showing concave and convex survivorship curves and their life history strategies.
Introduction:
The species are different in many aspects, including the chances of dying at any stage in their life. The lives of these organisms are tracked by a tool known as survivorship table. This table charts how many organisms born at the same time die in each year or unit time. The data procured for these charts is necessary to plot survivorship curves that help to understand the life history strategies of the species.
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Distinguish between populations showing concave and convex survivorship curves. What are their typical life history strategies?
Describe the three different survivorship curves and give suitable examples of each.
Explain the difference and give an example of Type 1, 2, and 3 Survivorship curves
Chapter 27 Solutions
Biology: Life on Earth (11th Edition)
Ch. 27 - Density-independent environmental resistance...Ch. 27 - Prob. 2MCCh. 27 -
3. Which of the following did not contribute to...Ch. 27 - Prob. 4MCCh. 27 - Boom-and-bust populations a. do not experience...Ch. 27 - Graphs that plot how the numbers of individuals...Ch. 27 -
2. The type of growth that occurs in a population...Ch. 27 - The maximum population size that can be sustained...Ch. 27 - The type of spatial distribution likely to occur...Ch. 27 - A population grows whenever the number of plus...
Ch. 27 -
1. Define biotic potential, list the factors that...Ch. 27 - Write and describe the meaning of the equation for...Ch. 27 - 3. Draw, name, and describe the properties of a...Ch. 27 -
4. Define environmental resistance and...Ch. 27 -
5. What is logistic population growth? What is...Ch. 27 - Describe three different possible consequences of...Ch. 27 - Prob. 7RQCh. 27 -
8. Explain why environmental resistance has not...Ch. 27 -
9. Draw the general shape of age structure...Ch. 27 - Sketch and label the graph showing the general...Ch. 27 -
1. Research a developing country (such as...Ch. 27 -
2. The U.S. Endangered Species Act (ESA) seeks to...
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- Describe the three types of survivorship curves and relate them to specific populationsarrow_forwardWhat is the key characteristic of a population exhibiting a type Il survivorship curve? large numbers of small offspring all individuals of all ages have an equal chance of dying younger individuals have a greater chance of survival younger individuals are more likely to die than other individualsarrow_forwardThe species to which this population belongs, displays a Type II survivorship curve. True Falsearrow_forward
- Plot the survivorship curve and indicate what type it is given the following data:arrow_forwardThe per capita growth rate of a population where dispersal is not a factor is expressed as (a) i + e (b) b d (c) dN/dt (d) rN(K N) (e) (K N) Karrow_forwardHuman populations have which type of survivorship curve? a. Type I b. Type II c. Type III d. Type IVarrow_forward
- What is often true of a population of organisms with a type Il suvivorship curve? they produce few offspirng and invest more energy in each offspring they produce more offspring and invest little energy in each they have low death rates during early life stages they are equally likely to die at any agearrow_forward. Describe the three types of idealized population survivorshipcurves.arrow_forwardSea turtles lay upwards of ~100 eggs in a nest, however of these, it is likely that only one will survive to adulthood. Many hatchlings are consumed by predators before even making it far from their nest. This best describes which type of survivorship curve: Туре I Туре IV Турe II None of these O Type IIarrow_forward
- What type of survivorship curve do you expect in modern humans (in the U.S.)? O Type I O Type II O Type III O Not applicablearrow_forwardList five characteristics of organisms that show a convex survivorship curvearrow_forwardWhich of the following is true with regards to establishment programs? Which of the following is true? Success was greater in the periphery and outside of the historical range than in the core Success was greater in depauperate habitats than in species rich habitats Success was greater for captive-reared than with wild-caught Success was greater for herbivores than carnivoresarrow_forward
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