BESC 201-Exam 2 Questions And Correct Answers New Update
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Course
BESC 201
Institution
BESC 201
BESC 201-Exam 2 Questions And Correct Answers New Update
Clear-cutting - Answers -Removes all trees from an area
In his 2005 book, Richard Louv maintains that today's children - Answers -suffer psychologically and emotionally from "nature deficit disorder'"
The greatest diversity of organi...
BESC 201-Exam 2 Questions And
Correct Answers New Update
Clear-cutting - Answers -Removes all trees from an area
In his 2005 book, Richard Louv maintains that today's children - Answers -suffer
psychologically and emotionally from "nature deficit disorder'"
The greatest diversity of organisms can be found in which of the following groups -
Answers -insects
The field of conservation biology - Answers -attempts to integratean understanding of
evolution and extinction with ecology and environmental systems
Paleontologists estimate that - Answers -99% of all species that have ever existed are
now extinct
The Conservation on Biological Diversity has goals that - Answers -require biodiversity
be used in a sustainable manner
deforestation - Answers -has the greatest impact in tropical areas and in aid areas
Endemic species are - Answers -limited to just one location, such as an island
Normal Borlaug, who passed away in 2009, pioneered the development of - Answers -
high-yield wheat
BT crops - Answers -have been given a bacterial gene that gives chemical protection
against insect pests
It is more energetically efficient for us to eat more - Answers -plant-based foods
In Queensland, Australia, cactus moths - Answers -effectively cleared non-native prickly
pear cactus from rangeland
Green Revolution technique - Answers -have increased crop yields but may not be
sustainable
Which of the following is true? - Answers -More than one in three adults in the United
States is obese.
During the past half century, global food production has ________ world population
growth - Answers -grown at a faster rate than
, Plants with showy flowers typically - Answers -are pollinated by animals
Erosion can result in a vicious cycle of worsening erosion because - Answers -plants
are less likely to grow in eroded soil
Compaction of soil in a garden harms plants by - Answers -decreasing aeration,
decreasing infiltration, and increasing runoff
Monoculture farming - Answers -is a development of industrial agriculture
Until about 10,000 years ago, our species depended on - Answers -hunting and
gathering
Soil texture refers to the relative amounts of ________ in soil - Answers -sand, silt, and
clay
pH influences - Answers -plant growth
is the buildup of salts in soils as a result of overirrigation - Answers -salinization
The results of the overapplication of fertilization can include - Answers -eutrophication in
nearby waters
______ refers to the agricultural practices in which the members of a farming family
produce only enough food for themselves and do not make use of large-scale irrigation,
chemical fertilizer, or machinery and technology - Answers -Subsistence agriculture
Decomposers are most likely found in the - Answers -A and O horizons
Aquaculture - Answers -can bring economic benefits and food security to many
developing regions
People around the world have become more dependent on global markets for their
food. As a result, recent U.S. government policies encouraging ________ have had a
major negative effect on food availability - Answers -ethanol production
Ecotourism - Answers -maintains biodiversity by providing income to areas that might
otherwise be destroyed
Removal of which of the following species will always result in the greatest changes in
an ecological system - Answers -a keystone species
The Convention on Biological Diversity has goals tha - Answers -require biodiversity be
used in a sustainable manner
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