The Wavelengths Emitted by the Earth Are

question 54

Multiple Choice

The wavelengths emitted by the earth are:

• A)shorter than those emitted by the Sun.
• B)longer than those emitted by the Sun.
• C)ultraviolet.
• D)about the same as those emitted by the Sun except when the Sun is experiencing sunspots.

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Definitions:

Photoperiodic Response

The physiological reaction of organisms to the length of day or night, affecting processes such as flowering in plants and breeding in animals.

Photoperiodism

The physiological reaction of organisms to the length of day or night, often affecting flowering and reproduction.

Long-day Plant

Plants that flower only after being exposed to light periods longer than a certain critical length.

Sunflower

A large plant belonging to the daisy family, known for its large flowering heads and edible seeds.