Food Production

Which of the following is NOT a way we increased food production?

• Devoting more fossil fuel energy to agriculture.

• Planting and harvesting less frequently.

• Using irrigation, fertilizers, and pesticides.

• Increasing the amount of cultivated land.

We can continue to produce enough food under the circumstances of increasing population and decreasing cropland.

• True

• False

What are organisms that have had their DNA modified called?

• Genetically modified (GM) organisms

• Natural organisms

• Wild-type organisms

• Organic organisms

Scientists place genes that code for desired traits into the genomes of organisms lacking those _____

• traits

• cells

• enzymes

• chromosomes

Which of the following is NOT a commonly engineered trait in crop plants?

• Rapid growth

• Pest resistance

• Frost tolerance

• Color change

Match each Benefit the correct Production Method.

• Manure reduces fertilizer use

• Genetically modified organisms

• Reduce the need for insecticides

• Feedlots

• Provides a safer work environment

• Aquaculture

What is a feedlot? A feedlot is an alternative to open grazing in which ________ food is delivered to a concentrated group of livestock or poultry.

• energy-rich

• fiber-poor

• water-based

• mineral-heavy

Drag each statement into the correct category:

Advantage or Disadvantage of Feedlots.

Groups:

(a) Advantage

,

(b) Disadvantage

• Reduces fertilizer use

• Causes animal stress

• Water contamination

• Reduces soil degradation through overgrazing

• Requires antibiotic use

What is aquaculture?

• fish farming in a controlled environment

• growing crops in open fields

• raising livestock in forests

• mining minerals from the earth

Drag each statement into the correct category:

Advantage or Disadvantage of Aquaculture.

Groups:

(a) Advantage

,

(b) Disadvantage

• Reduces by-catch

• Reduces fossil fuel use

• Provides a safer work environment

• Farm-raised animals can escape

• Produces a lot of waste

• Spread of diseases

• Reduces harvesting of declining wild aquatic animals