Thigmotropism Is a Growth Response to ____

question 90

Multiple Choice

Thigmotropism is a growth response to ____.

• A) light
• B) day length
• C) contact with a solid object
• D) circadian rhythms
• E) gravity

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Definitions:

Somatic Nervous System

A component of the peripheral nervous system responsible for the voluntary regulation of body movements through skeletal muscles.

Epinephrine

A biochemical substance, also referred to as adrenaline, that functions both as a hormone and a neurotransmitter, playing a pivotal role in initiating the body's fight-or-flight reaction.

Thyroxin

A hormone produced by the thyroid gland that regulates metabolism, energy production, and growth and development.

Melatonin

A substance secreted by the pineal gland that controls the rhythm of sleeping and waking.