Answered: 1. Design a sampling experiment that…

1. Design a sampling experiment that would allow you to estimate the size of the sockeye salmon population in a river in British Columbia

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter44: Population Ecology

Section: Chapter Questions

Problem 3SQ: Suppose 200 fish are marked and released in a pond. The following week, 200 fish are caught and 100...

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1. Design a sampling experiment that would allow you to estimate the size of the sockeye salmon
population in a river in British Columbia

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Which of the following methods will tell an ecologist about both the size and density of a population? mark and recapture mark and release quadrat life table
One reason why human populations have been able to sidestep the factors that usually control population growth is that: a. the carrying capacity for humans has remained constant sincehumans first evolved. b. agriculture and industrialization have increased the carryingcapacity for our species. c. the population growth rate (r) for the human population hasalways been small. d. the age structure of human populations has no impact on itspopulation growth. e. plagues have killed off large numbers of humans at certaintimes in the past.
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Figure 45.10b If the major food source of the seals declines due to pollution or overfishing, which of the following would likely occur? The carrying capacity of seals would decrease, as would the seal population. The carrying capacity of seals would decrease, but the seal population would remain the same. The number of seal deaths would increase but the number of births would also increase, so the population size would remain the same. The carrying capacity of seals would remain the same, but the population of seals would decrease.
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The model of exponential population growth predicts that the per capita population growth rate r: a. does not change as a population gets larger. b. gets larger as a population gets larger. c. gets smaller as a population gets larger. d. is always at its maximum level (rmax). e. fluctuates on a regular cycle.
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