Atmospheric Nitrogen Is

question 59

Multiple Choice

Atmospheric nitrogen is

• A) used directly by plants.
• B) used directly by animals.
• C) turned into ammonia by microorganisms.
• D) directly used to make carbohydrates.
• E) converted into urea by bacteria.

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Definitions:

Fluoresce

The property of absorbing light of one wavelength and then emitting light of a longer wavelength, visible as a bright glow under certain conditions.

Chloroplasts

Organelles found in plant cells and eukaryotic algae that conduct photosynthesis, converting light energy into chemical energy.

CAM Plants

Plants that use Crassulacean Acid Metabolism, a photosynthetic adaptation that allows them to minimize water loss by opening their stomata at night.

Stomata

Tiny openings or pores in plant leaves and stems that control gas exchange for photosynthesis and respiration.