Leaf Abscission Is Initiated and Orchestrated by Changing Levels of the Plant

question 7

Multiple Choice

Leaf abscission is initiated and orchestrated by changing levels of the plant hormone ____.

• A) ethylene
• B) cytokinin
• C) auxin
• D) abscisic acid
• E) gibberellin

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Definitions:

External Acoustic Meatus

The canal leading from the outer ear to the eardrum, facilitating the conduction of sound waves.

Bony Labyrinth

The rigid, bone-encased passageways in the inner ear that are filled with fluid and contain structures essential for hearing and balance.

Tympanic Cavity

The air-filled space in the middle ear that contains the auditory ossicles, crucial for the transmission of sound vibrations.

Middle Ear

The air-filled space located between the eardrum and inner ear containing three small bones that transmit sound vibrations.