Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Chapter 48, Problem 14SQ
Summary Introduction
Introduction: A healthy life on the Earth depends on the ability of human beings to live within their limits. The main aim is to live sustainably, which means targeting the requirement of the present generation without reducing the ability of future generation to meet own requirement.
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Individuals help sustain biodiversity by _________ .a. reducing consumption c. recycling materialsb. reusing materials d. all of the above
The current biggest threat to biodiversity is _______________________.
a. pollution
b. climate change
c. invasive species
d. habitat loss
Exotic species are especially threatening to what kind of ecosystem? a. deserts b. marine ecosystems c. islands d. tropical forests
Chapter 48 Solutions
Biology: The Unity and Diversity of Life
Ch. 48 - Bioaccumlation in tuna Bluefin tuna are among the...Ch. 48 - Prob. 2DAACh. 48 - Prob. 3DAACh. 48 - Prob. 4DAACh. 48 - Prob. 1SQCh. 48 - Prob. 2SQCh. 48 - Prob. 3SQCh. 48 - Prob. 4SQCh. 48 - Prob. 5SQCh. 48 - With biological magnification, a ___ will have the...
Ch. 48 - Prob. 7SQCh. 48 - Prob. 8SQCh. 48 - Global climate change is causing ___ . a. a...Ch. 48 - Prob. 10SQCh. 48 - A highly threatened region that is home to many...Ch. 48 - Prob. 12SQCh. 48 - Prob. 13SQCh. 48 - Prob. 14SQCh. 48 - Prob. 15SQCh. 48 - Two arctic marine mammals that live in the same...Ch. 48 - Prob. 2CTCh. 48 - Prob. 3CTCh. 48 - Prob. 4CT
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- Converting a prairie to a farm field is an example of _________. a. overharvesting b. habitat loss c. exotic species d. climate changearrow_forwardWhat kind of ecosystem are exotic species especially threatening to? a. deserts b. marine ecosystems c. islands d. tropical forestsarrow_forwardWhat factor does not affect biodiversity? a.) urbanization b.) planting native plants c.) overfishing d.) pollutionarrow_forward
- The producer in an ocean grazing food web is usually a _____. a. plant b. animal c. fungi d. planktonarrow_forwardDeforestation ______. a. increases mineral runoff from soil b. decreases local temperature c. increases local rainfall d. all of the abovearrow_forwardWhen an invasive species alters the community structure it is introduced to, what can the consequence be? a. extinction of economically important species b. reduced predation on some native species c. increased predation on some native species d. all of the abovearrow_forward
- Competition with other species helps determine an organisms (a) ecotone (b) fundamental niche (c) realized niche (d) limiting resource (e) ecosystemarrow_forwardA limiting resource does all the following except that it (a) tends to restrict the ecological niche of a species (b) is in short supply relative to a species need for it (c) limits the presence of a species in a given community (d) results in an intermediate disturbance (e) may be limiting for only part of an organisms life cyclearrow_forwardGrowth of a forest in an abandoned corn field is an example of _______. a. primary succession c. secondary succession b. resource partioning d. competitive exclusionarrow_forward
- The first species to live on new land, such as that formed from volcanic lava, are called_________. a. climax community b. keystone species c. foundation species d. pioneer speciesarrow_forwardA keystone species: a. is usually a primary producer. b. has a critically important role in determining the species composition of its community. c. is always a predator. d. usually reduces the species diversity in a community. e. usually exhibits aposematic coloration.arrow_forwardComplete competitors cannot coexist is a statement of the principle of (a) primary succession (b) limiting resources (c) Mllerian mimicry (d) competitive exclusion (e) character displacementarrow_forward
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