Agriculture as It Is Practiced in the United States Today

question 33

Multiple Choice

Agriculture as it is practiced in the United States today is big business, which feeds and employs many people.Which of these is not a trade-off, in terms of ecological services, that results from the practice of large-scale, industrial agriculture?

• A) Loss of pollinators
• B) Eutrophication
• C) Less clean water
• D) More soil erosion
• E) Improved pollution control

---

Definitions:

Thymus

Bilobed lymph organ located in the inferior neck and superior mediastinum; secretes the hormone thymosin.

Germ Layer

One of the three primary layers of cells (ectoderm, mesoderm, and endoderm) in the early embryo from which all tissues and organs develop.

Endoderm

Innermost of the three germ layers of an embryo.

Epidermis

Outer portion of the skin formed of epithelial tissue that rests on or covers the dermis.