Chapter 10 Flashcards
1
Q
What is plant sensitivity?
A
The ability of plants to respond to stimuli.
2
Q
What are the two main stimuli’s?
A
Light and gravity
3
Q
What is it called when a stimulus responds to light?
A
Phototropism
4
Q
What is it called when a stimulus responds to gravity?
A
Geotropism/gravitropism
5
Q
What is the stimulus called when it does and does not respond?
A
Positive and negative
6
Q
Name two advantages of tropisms
A
Roots have positive geotropisms and shoot shows positive phototropism.
7
Q
What is auxin?
A
Auxin is a plant hormone that is produced by the shoot tip.
