WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
3rd Edition
ISBN: 9781319103316
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 16, Problem 2MC
Summary Introduction
Introduction:
Biodiversity hotspots are reservoirs of biodiversity which are under threat.
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In landscape ecology, the matrix is the area surrounding a habitat patch. The matrix can affect a species living in the habitat patch by altering:
O A. Dispersal between patches
B. The availability of resources
C. The abiotic environment in patches
D. Our appreciation of Keanu Reeves' acting skills
E. A, B and C are correct
Conservation hotspots are best described as
a. areas with large numbers of endemic species, in many of which species are disappearing rapidly.
b. areas where people are particularly active supporters of biological diversity.
c. islands that are experiencing high rates of extinction.
d. areas where native species are being replaced with introduced species.
Assuming all other factors are equal, which statement about the success of core natural areas as a conservation measure is false?
OA. Areas with compact shapes are superior to areas with less compact shapes.
B. One large reserve is superior to a few small reserves with the same total area.
C. Several reserves far apart are superior to the same number of reserves close together.
O D. Reserves connected by habitat corridors are superior to unconnected reserves.
Areas encompassing a range of vegetation types are superior to those with a uniform composition.
E.
Chapter 16 Solutions
WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
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Ch. 16 - Prob. 11SACh. 16 - Prob. 12SACh. 16 - Prob. 13SACh. 16 - Prob. 14SACh. 16 - Prob. 1MCCh. 16 - Prob. 2MCCh. 16 - Prob. 3MCCh. 16 - Prob. 4MCCh. 16 - Prob. 5MCCh. 16 - Prob. 6MCCh. 16 - Prob. 7MCCh. 16 - Prob. 8MCCh. 16 - Prob. 9MCCh. 16 - Prob. 10MCCh. 16 - Prob. 11MCCh. 16 - Prob. 12MCCh. 16 - Prob. 13MC
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- The population size of a species capable of being supported by the environment is called its ________. a. limit b. carrying capacity c. biotic potential d. logistic growth patternarrow_forwardThe total number of species present in a community is called the a. species evenness. b. species richness. c. species-area relationship. d. population.arrow_forwardThe Shannon Index, H', for community #1 is 1.7; for community #2 it is 1.5. We can conclude that community #1 has a higher than community #2. a. all of these b. species diversity c. species richness d. species evennessarrow_forward
- The Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services published a report in 2019 that described several negative effects that humans have had on biodiversity and ecosystem services. They highlighted and ranked five drivers of these negative effects. Which of the following has had the greatest overall impact on biodiversity and ecosystem services? A. Pollution B. Direct exploitation of organisms C. Invasive species D. Climate change E. Changes in land use and sea usearrow_forwardCarrying capacity is defined as a species’ average population size in an environment. Which of the following resulted to exceeding carrying capacity in a particular environment? a. increasing birthrates, decreasing deathrates, increasing immigration and no emigration takes place b. increasing birthrates, decreasing deathrates, decreasing immigration and no emigration takes place c. increasing birthrates, decreasing deathrates, decreasing immigration and increasing emigration d. decreasing birthrates, increasing deathrates, increasing immigration and increasing emigrationarrow_forwardThe relative abundance of any one species within a community of many species is known as a. species evenness. b. species richness. c. specialization. d. population.arrow_forward
- At any point in time, a number of environmental objectives must be met with a limited amount of economic resources. This means that once an environmental problem is identified, they have to be prioritized. In general, this is done using scientific valuation of the relative risk to human health and the ecology of a given environmental hazard - a procedure known as: A. Biodiversity B. Public Goods C. Risk Assessment D. Profit maximizationarrow_forwardDetermine if each statement is correct or incorrect: 1. Ecosystems with fewer numbers of species tend to be less stable. 2. Increasing numbers of species lead to more redundancy which is bad for the ecosystem. 3. More species mean more niche separation. 4. Species with a low resistance will also have low resilience. 5. Disturbances to ecosystems can be both naturally occurring and human caused. 6. Stresses to ecosystems are useful for removing weaker species and ensuring the strongest survive. 7. Bringing non-native species into an area to increase biodiversity makes the ecosystem more stable.arrow_forwardHabitat fragmentation results from human activities that change large blocks of landscape, leading to many negative effects on species and ecosystems. Which of the following is not one of the possible consequences of fragmentation? A. reduction of available habitat O B. increasing degradation of habitat patches C. increasing wind speeds and temperatures at patch edges D. spatial isolation of patches E. increase in top predators present in patchesarrow_forward
- 1) Compare the biodiversity indices to one another. State a claim about the effect of pollution on the biodiversity of the stream ecosystem. Describe how the pollution levels affect the species richness and biodiversity of the stream. Justify your claim with evidence. Describe the difference in species richness you observed. Explain how human intervention can change biodiversity in positive ways.arrow_forwardBuffer zones in a conservation program are: O a. Areas in which the original habitat has been replanted. O b. Areas from which humans are excluded. O c. Areas in which there is no increase in farm land. O d. Areas in which there is no hunting or logging. Areas in which there are no types of industries. O e.arrow_forwardHabitat fragmentation can reduce biodiversity by a. introducing more native species into a habitat b. sterilizing for pollution control C. decreasing human use of natural resources d. eliminating vast tracts of forests e. withdrawing an essential resource from native speciesarrow_forward
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