Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134168296
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 27, Problem 3MC
Which of the following did not contribute to increasing Earth's
birth control
medical advances
agriculture
improved sanitation
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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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- Which of the following is not a way that humans have increased the carrying capacity of the environment? a. agriculture b. using large amounts of natural resources c. domestication of animals d. use of languagearrow_forwardGreenhouse gases ________. a. slow the escape of heat from Earth into space b. are produced by natural and human activities c. are at higher levels than they were 100 years ago d. all of the abovearrow_forwardWhat happened to the population of blue whales after hunting them was banned? A There was a substantial increase in whale numbers. В There was a slight increase in population. C There was a slight decrease in population numbers. D There was no effect.arrow_forward
- Which of the following would be considered a human activity with a positive impact on the environment? Using Fossil Fuels Poaching Overpopulation Using Renewable Fuelsarrow_forwardWhich of the following is NOT a reason why middle-income countries in the east have experienced rapid growth rates? Question 6 options: The countries developed abundant new technologies which drove growth These countries had a strong policy structure that supported human capital investments These countries accrued larger savings and invested it domestically These countries encouraged participation in the world marketsarrow_forwardWhich of the following events would decrease competition for resources in an ecosystem? a disease reduces the population of rabbits in a grassland area a drought reduces the amount of water available to an ecosystem a fire has killed off a portion of the vegetation many offspring are produced in a single yeararrow_forward
- make a prediction about the effects that future human population growth will have on the following:Food productionAvailable water supplySpreading of diseaseNatural resourcesEnergy demandsGlobal warmingarrow_forwardImagine the environment of an ecosystem changes such that it floods more often. Which species would most likely increase in numbers in this new environment? a flightless bird species that makes its nest on the ground a tree species that is tolerant of excess water a mammal species that burrows underground an insect species that lives on the leaves of short bushesarrow_forwardWhy has the human population continued to grow despiteenvironmental limitations? Give one example of an innovationthat increased the carrying capacity for humans.arrow_forward
- Which one of the following is not a consumer? omnivore carnivore decomposer herbivorearrow_forwardwrite about impact of global warming on eartharrow_forwardFood webs are helpful diagrams to understand the relationships of organisms within a biological community. Answer the following questions using the food web below. Baleen whale Smaller toothed Sperm whale whales Penguins Elephant seal Leopard seal Other birds Fish Other seals Squid Krill Other herbivorous zooplankton Carnivorous zooplankton Phytoplankton Which of the following can be a secondary consumer? squid other seals krill herbivorous zooplankton fish other birds elephant sealarrow_forward
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