Humans Simulate the Process of Natural Selection When They Use

question 53

Multiple Choice

Humans simulate the process of natural selection when they use ________ to develop new varieties of crop plants that better meet the needs of farmers.

• A) artificial selection
• B) gene flow
• C) habitat changes
• D) continental drift

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Definitions:

Diffusion

The process by which molecules move from an area of higher concentration to an area of lower concentration.

Oxygen

A chemical element with symbol O and atomic number 8, essential for most life forms on Earth as part of the process of respiration.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is absorbed by plants in photosynthesis.

Thoracic Cavity

The part of the body's cavitation that is enclosed by the rib cage, and contains organs like the heart and lungs.