Friday, January 10, 2014

1/10/14

This weekend's homework is to read/take brief notes on/answer comprehension questions about 11.1, 11.2, and 11.3 (p. 214-221) from Botkin and Keller. Additionally you should watch the Introduction Video from feedingninebillion.com. Your notes and answers are due on Tuesday.

Good luck with your exhibitions.


Chapter 11 Reading Check-In: 11.1 An Ecological Perspective on Agriculture, 11.2 Can We Feed the World?, 11.3 What We Grow on the Land

Record the answers to the following questions on a piece of looseleaf that will be submitted on
Tuesday.

Multiple Choice

1. Which of the terms below refers to crops grown as food for domestic animals?

a)  forage crops
b)  subsistence crops
c)  aquaculture
d)  mariculture
e)  agriculture

2. Which of the following refers to lack of a specific chemical component of food?

a)  malnourishment
b)  famine
c)  undernourishment
d)  miasma
e)  nonnourishment

3. What is the relationship between farming and ecological succession?

a)  farming keeps the land in a late successional stage
b)  farming abbreviates succession, skipping the middle stage
c)  farming promotes the premature change to late successional stage
d)  farming keeps the land in an early successional stage
e)  land succession is a process in natural ecosystems, and crop land cannot be discussed in the same
terms

4. Which of the following factors does not limit land available for agriculture?
a)  slope
b)  elevation
c)  floodplain
d)  river delta location
e)  all of the above limit land available for agriculture

5. Plowing, the regular mixing of the top layer of the soil, is precisely like what natural process?
a)  glacial action
b)  flooding
c)  wind erosion
d)  earthquakes
e)  no natural process is much like plowing

6. Agriculture in less developed countries can be significantly affected by all of the following except:
a)  social disruptions
b)  droughts
c)  loss of soil organic matter and accumulation of chemical compounds
d)  insect infestations
e)  crop circles

7. Which of the following is not a major agricultural crop?
a)  wheat
b)  potatoes
c)  coconuts
d)  manioc
e)  all of the above are major agricultural crops

8. In the United States:
a)  18% of the land is used for growing crops
b)  57% of the land is used for growing crops
c)  26% of the land is used for growing crops
d)  44% of the land is used for agricultural purposes
e)  both a and d

True or False?

9. Pasture is a type of rangeland that has been plowed and planted with a forage crop.

10. Rangeland is used for grazing cattle without plowing and planting.

11. Feedlots are preferred areas for raising cattle because it is much easier to control the waste material produced by the animals, and they have minimal environmental effects.

12. Kwashiorkor is a type of malnutrition that results from a lack of sufficient carbohydrates in the diet.

Short Answer

13.  List two reasons why Africa remains the continent with the most acute food shortages in the world.

14.  What is the major drawback of food aid programs to less developed countries?

15. What is monoculture, what are the drawbacks of monoculture, and how can these drawbacks be counteracted?

 

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