Asked by
Lindsey Rowan
on Oct 29, 2024Verified
When a plant responds to external stimuli, such as light, gravity, or touch by directional growth, these responses are referred to as
A) turgor movements.
B) sleep movements.
C) nastic movements.
D) circadian rhythms.
E) tropisms.
Nastic Movements
Non-directional responses to stimuli (e.g., temperature, humidity, light intensity) that cause movement in plants.
Tropisms
Biological phenomena where organisms grow or move in response to an environmental stimulus, such as light or gravity.
Circadian Rhythms
Biological processes that display an endogenous, entrainable oscillation of about 24 hours.
- Describe plant responses to various external stimuli through directional growth movements.
Verified Answer
ZA
Learning Objectives
- Describe plant responses to various external stimuli through directional growth movements.