Chapter 7b Flashcards
(39 cards)
Pests predators released to control intended pest is __________________________.
Biological control
Entire beehives died is called __________________________.
Colony collapse
Transfer of pollen from one to another plant is called______________________.
Pollination
Since 1950 global meat production increased_____________.
Five fold
Animals living in large masses is called _________________.
Feedlots
Aquatic animals living in masses is called_______________________.
Aquaculture
Adding, deleting, modifying DNA is called______________________.
GMO’s
What are the pros of GMOs?
More food, more nutrients, size, taste, color, pest resistant, heat resistant
What are the cons of GMOs?
Health concerns, not natural, pollinate native natural species, making it GMO
____________________ patent food and seed.
Monsanto
_______% shelves are GMOs.
80%
_______ is #1 for GMO crops.
U.S
DNA from one species injected in another is called ________________________________.
Transgenic organism
Example: Spider goats
Cut trees (slash, burn to release nutrients from soil for crop and cattle), nutrients left
Swiddon Ag
Material moving from one area to another is ____________________.
Erosion
______________________ are the primary cause of erosion.
Humans
Degredation of topsoil leads to decreased crop yield with added population growth and sustain crop production and feeding masses
Erosion
Cut crop and let it fall is _______________________________.
Conservation tillage
Humans keep over 3 billion _______________, _____________, and ____________________
Cattle, sheep, and goats
World wide food production is (higher or lower) now than in previous decades?
Higher
20% of farmers income comes from _____________________.
Subsidies
- # 1 use for water is _______________________.
Irrigation
- Other uses of water include:
Waterlogging and salination
Drip irrigation…
Directly waters plants