Force & Tropism Key Terms Flashcards
1
Q
Turgor pressure
A
The force of water molecules against the cell wall that allows plants to stand up straight.
2
Q
Stimulus
A
An action or condition that provokes a response.
3
Q
Response
A
A change in a system resulting in a stimulus.
4
Q
Tropism
A
Plant growth toward or away from an external stimulus.
5
Q
Geotropism
A
The response of a plant to gravity.
6
Q
Positive geotropism
A
Plant growth towards gravity.
7
Q
Negative geotropism
A
Plant growth away from gravity.
8
Q
Phototropism
A
The growth of a plant toward or away from light.
