Plant Breeding Is ________

question 1

Multiple Choice

Plant breeding is ________.

• A) accelerated evolution guided by humans who are selecting those features beneficial to them.
• B) picking out the best products of natural selection
• C) intended to increase genetic diversity of plants in populations
• D) a field that just started with the development of molecular genetics
• E) None of these answers are correct.

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Definitions:

Loess

An essentially unconsolidated sediment consisting predominantly of silt, interpreted to be windblown dust, commonly of glacial origin.

Ice-Age Glaciers

Massive sheets of ice and snow that covered large parts of the Earth’s surface during the last glacial period, significantly altering the planet's surface and ecosystem.

Rain Shadow

A relatively dry region on the downwind side of a topographic obstacle, usually a mountain range; rainfall is noticeably less than on the windward side.

Upwelling Ocean Currents

Upwelling ocean currents are oceanic currents that bring deep, cold, and nutrient-rich water to the surface, fueling primary productivity and supporting marine ecosystems.