Topic 6- Taxis and kinesis Flashcards
1
Q
What must an organism find in order to survive?
A
Favourable conditions
2
Q
What type of organisms display taxis and kinesis?
A
Ones that do not have complex nervous systems
3
Q
What are the functions taxis and kinesis?
A
enable mobile organisms to stay in a favourable environment
4
Q
What is kinesis?
A
a non-directional response to a stimulus
5
Q
What is the rate of movement of an organism is affected by?
A
the intensity of the stimulus
6
Q
Kinesis: How does an organism move in favourable conditions?
A
-Slower + turns more (to stay in these conditions)
7
Q
What is taxis?
A
-A directional response to stimulus (the organism moves directly away from or towards the stimulus)
8
Q
What is phototaxis?
A
directly towards the light
