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PLNT 1213 EXAM 1 questions with correct answers A+ graded
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PLNT 1213 EXAM 1 questions with correct answers A+ graded
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PLNT 1213 EXAM 1Why did hunter-gatherers need to have a broad understanding of the ecosystem in which they lived? -
correct answer ✔✔So they could find food (migration patterns and finding where and when to harvest
and consume plants)
Where and when was the first evidence documenting the domestication of plants? - correct answer
✔✔10,000 years ago in the fertile crescent
What were the first plants/crops domesticated - correct answer ✔✔Einkorn and Emmer wheat and Wild
barley
What was agriculture like in the 1600s-1700s - correct answer ✔✔primarily subsistence farming
extremely labor intensive
family took what they needed and sold surplus after tending to the livestock.
What tools were used in the 1600s-1700s - correct answer ✔✔(manual or animal labor)
a scythe or grain cradle, wooden plows, hoe and shovels
What was agriculture like in the 1800s - correct answer ✔✔Mechanical improvements
Stronger plows and steam powered engines
determined essential nutrients for plant nutrition and mixed fertilizers
What tools were used in the 1800s - correct answer ✔✔plows made of cast iron and steel
horse powered (majority of time)
Horse drawn harvesters invented
blended commercial fertilizers
What was agriculture like in the 1900s-2000s - correct answer ✔✔Technology revolution
, farmers become more independent
human/animal labor replaced by mechanical tractors
chemical inputs after WWII
What tools were used in the 1900s-2000s - correct answer ✔✔mostly mechanical power
synthetic fertilizers/pesticides
What major agronomic advancement took place in 1910 - correct answer ✔✔synthetic ammonia
fertilizers
what major agronomic advancement took place in the 1920s - correct answer ✔✔hybrid corn
What major agronomic advancement took place in the 1930s - correct answer ✔✔soil conservation
practices (dust bowl)
what major agronomic advancement took place in the 1940s - correct answer ✔✔synthetic pesticides
what major agronomic advancement took place in the 1980s - correct answer ✔✔genetic engineering
In 1910, what percent of the population was involved in agriculture - correct answer ✔✔15%
In 2000, what percent of the population was involved in agriculture - correct answer ✔✔2%
Theory that claims that population grows exponentially (arithmetically) and food production grows
linearly (geometrically) - correct answer ✔✔Malthusian Theory
What will happen if the two lines in Malthusian theory meet - correct answer ✔✔People will suffer from
starvation
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