Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
6th Edition
ISBN: 9780134555430
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Chapter 17, Problem 3LTB
Summary Introduction
Introduction:
An ecological footprint refers to the influence of an individual or a community on the surrounding. It is the amount of land required for the individual or community to maintain the application of natural
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Chapter 17 Solutions
Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
Ch. 17 - Explain why the northern United States experiences...Ch. 17 - Prob. 2LTBCh. 17 - Prob. 3LTBCh. 17 - Prob. 4LTBCh. 17 - Prob. 5LTBCh. 17 - Which of the following biomes is most common on...Ch. 17 - Tundra is found ___________ . where average...Ch. 17 - Prob. 8LTBCh. 17 - Prob. 9LTBCh. 17 - Prob. 10LTB
Ch. 17 - Consider the following geographic factors and...Ch. 17 - One prediction of global climate change models is...Ch. 17 - What can you infer about the geographical...Ch. 17 - Calculate your current personal ecological...Ch. 17 - How many biomes do you rely on to supply your...Ch. 17 - The science that you learned in this chapter has...
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- What are the economic, environmental and/or biological implications of the following scenarios? Give specific examples. a. Absence of government agencies responsible for conservation and sustainabilityarrow_forwardThe maximum growth rate of a population under ideal conditions iscalled thea. carrying capacity. d. death rate.b. fertility rate. e. biotic potential.c. birthrate.arrow_forwardWhich of the following is an "ecological" variable, that is, an exposure or an outcome that needs to be examined using ecological study designs? a. Percent of households in neighborhood which have incomes below federal poverty level b. Sensitivities of residents of a city to pollens in the environment c. Daily average alcohol consumption by adults living in a neighborhood d. Fast food consumption levels of heart disease patients admitted in a hospitalarrow_forward
- Choose the statement that is most likely made by an environmentalist rather than by an environmental scientist. "On average, 52 animal species move one step closer to extinction each year because of overpopulation and habitat destruction.” “Human population growth is a current environmental issue, as is climate change.” “When the number of existing humans exceeds the carrying capacity of the planet, we have reached the state of overpopulation.” “Citizens must take matters into their own hands and start having fewer children to reduce the world’s population, starting now.”arrow_forwardIf the ecological footprint per person of a country or theworld is larger than its biological capacity per person toreplenish its renewable resources and absorb the resulting waste products and pollution, the country or theworld is said to have an ecological deficit. If the reverse istrue, the country or the world has an ecological credit orreserve. See Figure 1.11 for a map of the world’s ecologicaldebtor and creditor countries. Use the data to the right tocalculate the ecological deficit or credit for the countrieslisted. (As an example, this value has been calculated andfilled in for the world.)1. Which three countries have the largest ecologicaldeficits? For each of these countries, why do youthink it has a deficit?2. Rank the countries with ecological credits in orderfrom highest to lowest credit. For each country, whydo you think it has an ecological credit?3. Rank all of the countries in order from the largest tothe smallest per capita ecological footprint.arrow_forwardSimpson's index is the basic measure of ___, and is used my ecologists to quantify an ecosystem's health.arrow_forward
- Match each term with its most suitable description. _____ carrying capacity a. maximum rate or increase per individual under ideal conditions _____ exponential growth b. population growth plots out as an S-shaped curve _____ biotic potential c. maximum number or individuals sustainable by the resources in a given environment _____ limiting factor d. population growth plots out as a J-shaped curve _____ logistic growth e. essential resource that restricts population growth when scarcearrow_forward______ is a density-independent factor that influences population growth. a. Predation b. Infectious disease c. Resource competition d. Harsh weatherarrow_forwardThe largest population that can be maintained by a particular environment for an indefinite period is known as a (a) semelparous population (b) population undergoing exponential growth (c) metapopulation (d) populations carrying capacity (e) source populationarrow_forward
- Match each term with its most suitable description. _____ carrying capacity a. maximum rate or increase per individual under ideal conditions _____ exponential growth b. population growth plots out as an S-shaped curve _____ biotic potential c. maximum number or individuals sustainable by the resources in a given environment _____ limiting factor d. population growth plots out as a J-shaped curve _____ logistic growth e. essential resource that restricts population growth when scarcearrow_forwardShannon Diversity Index Habitat 1 is found to have 50 different species, while Habitat 2 has only 10. What is the most accurate statement from the choices below about the diversity in Habitat 1 vs. Habitat 2? Group of answer choices -Habitat 1 is definitely more diverse than Habitat 2 because there are more species in it. -Habitat 1 would not be considered more diverse than Habitat 2 if the species in it were mostly producers or mostly consumers. -Habitat 1 would not be considered more diverse than Habitat 2 if only one or very few species predominated, while Habitat 2 had more species with larger representation.arrow_forwardA fishprint provides a measure of a country’s fish harvestin terms of area. The unit of area used in fishprint analysisis the global hectare (gha), a unit weighted to reflect therelative ecological productivity of the area fished. Whencompared with the fishing area’s sustainable biocapacity (itsability to provide a stable supply of fish year after year,expressed in terms of yield per area), its fishprint indicateswhether the country’s annual fishing harvest is sustainable. The fishprint and biocapacity are calculated using thefollowing formulas:Fishprint in (gha) = metric tons of fish harvestedper year/productivity in metric tons per hectare ×weighting factorBiocapacity in (gha) = sustained yield of fish in metrictons per year/productivity in metric tons per hectare ×weighting factorThe following graph shows the earth’s total fishprint andbiocapacity between 1950 and 2000. Study it and answerthe following questions: If biologists determine that this country’s sustainedyield of fish is…arrow_forward
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