Factors That Contributed to the Higher U

question 28

Multiple Choice

Factors that contributed to the higher U.S.labor productivity growth in 1995-2010 relative to the earlier period include the following, except

• A)microchip and information technologies.
• B)new start-up firms and increasing returns.
• C)global competition.
• D)population growth.

---

Definitions:

Pollen

Fine to coarse powdery substance comprising pollen grains, which are male microgametophytes of seed plants, responsible for the fertilization of the female ovule.

Self-incompatibility

A mechanism in some plants that prevents self-fertilization and promotes genetic diversity by rejecting pollen from the same or genetically similar plant.

Pollen Tube

A tube that forms from a pollen grain and grows toward the ovule to enable sperm to pass directly to an egg for fertilization in plants.

Diploid

An organism or cell that contains two complete sets of chromosomes, one from each parent.