Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
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Textbook Question
Chapter 53, Problem 6IQ
- a. List some density-dependent factors that may limit population growth.
- b. List some abiotic factors that may cause population fluctuations.
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Chapter 53 Solutions
Biology - Study Guide
Ch. 53 - In a mark-recapture study, an ecologist traps,...Ch. 53 - Prob. 2IQCh. 53 - Define r. How does r relate to exponential growth?Ch. 53 - Label the following exponential and logistic...Ch. 53 - Prob. 5IQCh. 53 - a. List some density-dependent factors that may...Ch. 53 - What do the age structure pyramids in Figure 53.24...Ch. 53 - Create a concept map to organize your...Ch. 53 - What is the best collection of life history traits...Ch. 53 - In an area with a heterogeneous distribution of...
Ch. 53 - Which of the following statements about life...Ch. 53 - Prob. 3TYKCh. 53 - The middle of the S-shaped growth curve in the...Ch. 53 - In the logistic growth equation, which term...Ch. 53 - The term (K N)/K a. is the carrying capacity for...Ch. 53 - The carrying capacity for a population is...Ch. 53 - In order to maintain the largest sustainable fish...Ch. 53 - Immigration and emigration are likely to play a...Ch. 53 - Chimpanzee females typically first give birth at...Ch. 53 - Which of the following factors is not a...Ch. 53 - Consider a population experiencing negative...Ch. 53 - You have introduced a small number of individuals...Ch. 53 - Prob. 14TYKCh. 53 - Prob. 15TYKCh. 53 - In a population showing exponential growth, what...Ch. 53 - As a population approaches zero population growth,...Ch. 53 - For a population showing exponential growth, how...Ch. 53 - The human population is growing at such a fast...Ch. 53 - The demographic transition is the gradual shift...Ch. 53 - An ecological footprint is an estimate of a. the...
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- The population size of a species capable of being supported by the environment is called its ________. a. limit b. carrying capacity c. biotic potential d. logistic growth patternarrow_forwardWhen per capita growth rate (r) is a positive number, the population size is: a decreasing if it is under 1, increasing if it is over 1 b decreasing c stable (doesn't increase or decrease) d increasingarrow_forwardDisturbance often affects community structure by __________________. Question 24 options: A) accelerating competitive exclusion B) temporarily decreasing the resource base, then increasing the resource base C) increasing the degree to which a resource is limited D) temporarily increasing the resource base, then decreasing the resource basearrow_forward
- a) Determine whether the following factors are density-dependent or density-independent. Drought Answer Disease Answer Temperature Answer Low pH Answer Prey population number Answer Predator population number Answer Competition Answer Loss of habitat Answer b) The moose population in Jasper is currently on the decline in Jasper National Park. Some of the reasons for the population decline are liver fluke parasitic disease, return of the wolves in the area, and increased traffic in the highways. Match the cause of moose population decline to the type of limiting factor using the drop down menu. Choose between density dependent and density independent. Cause of Population Decline Limiting Factor a. Liver fluke Answer b. Increase in wolf population Answer c. Increase in highway traffic Answer c) Which of the following scenarios is an example of a density-dependent limiting factor? a. The spread of ticks among a moose population weakens the individual…arrow_forwarddescribe a local ecosystem and how many population can be impacted due to a short-term environmental changearrow_forwardComplete the table describing the impact on each of the sectors from an increase in population size. System Effect on system Food Soil Nutrients Water Timber Urbanizationarrow_forward
- Explain how biotic and abiotic factors affect population growth.arrow_forwardPopulation growth that is dependent on the number of individuals A. Arithmetic Growth B. Carrying Capacity C. Intrinsic Rate of Growth D. Exponential Growtharrow_forwarddN/dt= rmaxN represents:a.annual growth rate.b.geometric population growth.c.exponential population growth.d.logistic growth.e.none of the choices apply.arrow_forward
- It is living components in an environment and may include food sources and other populations. A) Biotic factors B) Competition C) Community D) Populationarrow_forwardDefine zero population growth and explain why it has not been achieved.arrow_forwardGrowth rate of a population is determined by: A. The increase in the number of people per unit of time. B. The number of people being born minus the number of people dying. C. The number of children living per each two adults. D. The number of people times the number of children each one has per year.arrow_forward
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