Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 54, Problem 11IQ
Summary Introduction
To determine: The population distributions after 20 years.
Introduction: The human population curve predicts the different demographic trends in birth and death. An example is if the age-specific birth and death rates changes, then the population of Sweden remains the same. In contrast, the population pyramid of Kenya shows the higher birth rates, with decreased life span and lead to explosive future growth.
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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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- tell whether the curves for the different cohorts are different from one another.If so, what might have caused the differences? In addition, did you notice any difference in the curves for males and females? If so, what might havecaused the differences?Speculate about the future if: 1) health care costs continues to increase, and 2) medical advances continueand most diseases and infant mortality are eliminated.How can this method be used to understand or manage natural populations?arrow_forwardExamine the age structure diagram. This diagram best represents a population that is: 100+ Male Female 01% |0.2% C.6% 95-99 9D-94 03% 1.% 19% 22% 1.3% 75-79 1.7% 70-74 23% 2.7% 65-69 2.7% 3.0% 60-64 3.0% 3.3% 55-59 3.5% 3.7% 5D-54 3.8% 3.9% 4549 4.0% 39% 4044 3.6% 3.8% 35-39 3.4% 3.4% 3D 34 3.0% 2.9% 25-29 2.8% 2.6% 2D24 2.% 2.5% 15-19 2.5% 2.4% 10-14 2.6% 2.5% 5-9 25% 2.5% 2.0% 2% 4% 0-4 22% 10% 10% Southern Europe - 2019 Population: 152,446,950 PopulalionPyramid.net growing quickly growing slowly not growing/is stable decliningarrow_forwardDo you think 109.5 million population in a country where you live is too large? Explain.arrow_forward
- Figure 19.11 Age structure diagrams for rapidly growing, slow growing, and stable populations are shown in stages 1 through 3. What type of population change do you think stage 4 represents?arrow_forwardWhat is the relationship between population growth and environment?arrow_forwardWhat is the relationship between the population's surviving members and the environment? and what role do genetics play in population change?arrow_forward
- [itemB5] (refer to the photo below) Which has a longer life expectancy - fish or oysters?arrow_forwardOnce upon a time there was a population of hippies living in an isolated commune called Gone. They had been there for generations, and all members were homozygous for a gene that gave them a preference for crafting necklaces out of green beads, so that every individual had the genotype GG at this locus. In another isolated commune, called Yonder, was a population of hippies that had a genetic propensity for making necklaces out of yellow beads, and everyone was homozygous for a different allele at the same genetic locus; their genotype was YY. Last year (prior to our current social isolating) everyone repaired their W buses, and a giant gathering in celebration of the 50th anniversary was held at the Oregon Country Fair. The next few questions will ask you about these two populations that came together at the fair. Genotype Observed Expected (0-E) (0-E)2 (O-E)?/E GG 81 79.2 81-79.2-1.8 1.82=3.24 3.24/79.2=0.04 12.96/105.6=0. GY 102 105.6 102-105.6=-3.6 -3.62=12.96 12 YY 37 35.2…arrow_forwardDo population growth models apply to humans the same waythey apply to other species?arrow_forward
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