EBK BIOLOGY
5th Edition
ISBN: 8220101337627
Author: Maier
Publisher: PEARSON
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Chapter 24, Problem 1CTS
Summary Introduction
To describe:
The risk and benefit of relying a few agricultural species.
Concerns about lack of diversity in agricultural production.
Introduction:
The crops are the plants, which are grown and harvested by humans for profit or substantial requirement. There are very few plants, which can be used as crops.
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Students have asked these similar questions
Urban farming has been increasing in popularity over the last decade or more. This practice includes the conversion of abandoned urban areas into farmland, the proliferation of rooftop gardens, and vertical farming (https://www.usda.gov/media/blog/2018/08/14/vertical-farming-future).
In much of the West, we are seeing increases in extreme weather events (fires, droughts, etc.) that may negatively impact traditional farming areas. What are some of the advantages of an increase in urban agriculture? What could be some of the disadvantages?
Which of the following is NOT a threat to crop diversity?
The Cartagena Protocol
Consumer preferences
Climate change
Population growth
Which of the following is likely to happen as a result of climate change?
Temperatures will likely stabilize by 2100.
Water scarcity will be intensified in many regions.
It is not possible to project changes since they will occur in the future.
Agricultural production will be negatively impacted in all places around the globe.
Increased heavy rainfall events in the springtime has caused soil erosion on a farmer’s land. Which strategy would you recommend to address this issue?
Access inputs from alternative sources
Increase application of synthetic fertilizers
Plant cover crops
Let the land rest unplanted
A student was asked to research genetically modified crops. The table shows the
information that they collected
Area of GM crops under cultivation globally
(hectares X 10)
Year
2003
52
2005
78
2007
101
2009
125
2011
153
2013
175
2015
175
2017
190
(a) Use the data from the table to plot a line graph using the grid below.
(b) Based on the data provided, describe the trend for global GM crop
cultivation
(c) There are benefits and drawbacks of using genetically modified crops.
Evaluate the use of using genetically modified crops.
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- a) Classify each of the following as intensive or extensive farming: i) poultry and eggs; ii) dairy farming; iii) hog production; iv) cattle ranching; v) wheat and other grains; vi) oilseeds (e.g., canola and sunflower); vii) fruits and vegetables; viii) sheep and goats. b) Choose two types each of intensive and extensive farming. How do the descriptions of intensive farming and extensive farming apply to these types of farming?arrow_forwardCrops gain genetic diversity when large swathes of farmland are planted with the same crop. Which part of this statement is false?  a) Farmland is planted with the same crop. b) Crops that are the same gain diversity c) Crops are planted in large swathes d) Crops are planted in farmlandarrow_forwardDescribe two 'beneficial' aspects from the last 10,000 years of humanity, as well as two 'dis-advantageous' aspects. Agriculture should be your guiding point here.arrow_forward
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- With regard to industrial agriculture, it is distinct from traditional agriculture in that: Its development tends toward monocultures Its development tends toward polycultures Its development involves an equal blend of monocultures with polycultures It is less well integrated into market economies, producing less excess food to sellarrow_forwardWhich of the following is not true about Roundup Ready crops? - Genetic material from roundup ready crops has made it into other crops - The use of Roundup Ready crops has facilitated the evolution of herbicide resistance in weeds - The use of Roundup Ready crops leads to a higher concentration of chemicals in ecosystems -Roundup Ready crops always increase yieldarrow_forwardFrank is a farmer who is primarily motivated to maximize yield and profit. What type of agriculture does he likely practice? Diversified Sustainable intensification Conventional Agroecological Celeste purchases maize seed one year to see if she can increase her yield. The crop looks good and so she decides to save a portion of the seed to plant the next year. The next year she plants the saved seed and is disappointed in the outcome. The crop isn’t uniform and doesn’t yield well. What type of seed was the maize that Celeste saved? Open-pollinated Hybrid Heirloom Bt A plant breeder at a university has developed a new variety of wheat through a breeding process that has taken place exclusively on university agricultural experiment land, where the soil quality is excellent and irrigation is readily available. In these conditions, this new wheat variety has experienced yield increases of up to…arrow_forward
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