Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
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Textbook Question
Chapter 53, Problem 18TYK
For a population showing exponential growth, how would r change if the
- a. an increase
- b. a decrease
- c. no change
- d. the effect cannot be predicted
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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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- What is the best explanation for a decrease in a population of wolves in an area? A. The amount of food decreases. B. The amount of space increases. C. The amount of food increases. D. The amount of competition decreases.arrow_forwardWith the help of suitable diagram describe the logistic population growth curve.arrow_forwardThe ________ effect describes how a population's growth rate increases with population size.arrow_forward
- Based upon r or Ro, is the population growing, declining, or stable? How often do we get a new generation of fish? Justify your answer.arrow_forwardStudy the graph and answer the following questions. a. What type of population ecology is displayed in the graph? How do you know? b. What may have occurred at Point A in on the graph? c. What is the estimated carrying capacity of the moose population?arrow_forwardA population has 1000 juvenile individuals, 100 young adult individuals, and 10 older adult individuals. This population is likely…? Group of answer choices a, increasing b. decreasing c. stable d. no way to tellarrow_forward
- Lower birth rates and declining family size in recent years reflect what phenomenon? A. Carrying capacity B. Secondary succession C. Exponential growth D. Demographic transitionarrow_forwardWhich statement about population growth is true? A. Population growth models do not apply to humans. B. Population growth can be exponential for only as long as environmental conditions are favorable. C. Population growth can continue indefinitely. D. Population growth of field samples always has a λ of approximately 1.arrow_forwardClassify each situation as density-dependent or density-independent AND explain your reasoning. a. Lynx prey on snowshoe hares. An increase in the snowshoe hare population causes an increase in the lynx population. b. Increase in the water temperature causes many aquatic organisms to die.arrow_forward
- Draw a graph showing the age structure of a populationthat is growing rapidly and a graph of one that is not.arrow_forwardWhat would happen to the human population if the number of births becomes equal to the number of deaths?a. The human growing rate would be 1.1% per year.b. The human population curve would acquire a J-shape.c. The Earth’s carrying capacity would decrease.d. The human population would stop growingarrow_forwardUse the first two grape to state whether the population size or amount of growth generally decreased, increased, or stayed the same. Explain a likely reason for each trend. Use the information from the food web to understand the trends in elk population and willow growth. do this for wolves and elksarrow_forward
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