Exam (elaborations)
PLNT 1213 EXAM 1 questions with correct answers A+ graded
- Course
- Institution
PLNT 1213 EXAM 1 questions with correct answers A+ graded
[Show more]
Content preview
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67096 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now