1 - Taxis & Kinesis Flashcards
1
Q
What is a response?
A
A reaction to a change in stimulus that increases an organism’s change of survival.
2
Q
What is a taxis?
A
A directional movement in response to a stimulus.
An animal performs a taxis when it orientates itself and moves towards or away from a stimulus that is coming from a particular direction.
3
Q
What is a kinesis?
A
A non-directional movement in response to a stimulus.
The intensity of the stimulus affects the response.
The animal doesn’t respond to the stimuli by moving in a particular direction.
Instead, the rate of movement and turning changes.
4
Q
What is a positive phototaxis?
A
Movement towards light
5
Q
What is a negative phototaxis?
A
Movement away from light
