Salinization Refers to the Process Where Agricultural Fields Become Unusable

question 14

Multiple Choice

Salinization refers to the process where agricultural fields become unusable because of saline water in the soil root zone. What is the basic reason the water becomes too saline?

• A) irrigation water applied to the fields dissolves salt crystals within the soil
• B) use of saline water to irrigate crops builds up salts over time
• C) plant growth gives off ions, but the salts can't be flushed from the soil
• D) ion exchange between rainwater and organic matter in the soil
• E) all of the answers listed here

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Definitions:

Synapomorphies

Shared derived characteristics or traits that are used to group organisms together, indicating common ancestry.

Dolphins

Intelligent aquatic mammals known for their complex behaviors and communication skills, belonging to the family Delphinidae.

Mammals

Warm-blooded vertebrates characterized by the presence of mammary glands which produce milk for feeding their young, and typically possessing hair or fur.

Monophyletic

A group of organisms that consists of all the descendants of a common ancestor.