Title: Unit 10 Quiz
Course: SAT 100 Principles of Agroecology > Section: SAT 100 Principles of Agroecology

Q: Vertical resistance involves a breeding program that looks at the total picture.
- True
- False
A: False

Q: Hybridization of crops has _____.
- increased plant diversity
- decreased plant diversity
- not had an effect on plant diversity
- improved crop production rates (yields)
- both decreased plant diversity and improved crop production rates (yields)
A: both decreased plant diversity and improved crop production rates (yields)

Q: Which of the following choices is true?
- Currently approximately 3,000 edible plant species exist on the earth.
- Eggs sold in the US are produced by two main breeds.
- Over 70% of the dairy herds are the Brown Jersey breed.
- There are more varieties of apples today than in 1900.
A: Currently approximately 3,000 edible plant species exist on the earth.

Q: The Food and Agriculture Association (FAO) estimates 43% of livestock breeds are faced with possible extinction.
- True
- False
A: True

Q: Plant diversity includes all of the following except _____.
- use of open pollinated plants
- adaptation to local conditions
- the need for irrigation
- having a natural resistance to pests
- the ability to reseed itself
A: the need for irrigation