survival and response Flashcards
(10 cards)
What are the two types of simple responses?
Taxis and kinesis
What is a taxis?
A simple response where the direction of movement of the organism is determined by the direction of the stimulus
What is the term when the organism is moving towards the stimulus?
Positive
What is the term when the organism is moving away from the stimulus?
Negative
What is the suffix when referencing light?
Photo
What is chemotaxis?
Movement towards or away from a high concentration of a particular substance
What is kinesis?
When the organism doesn’t move towards or away from the stimulus
What is the movement related to in kinesis?
The intensity of the stimulus and involves the change in rate of movement or rate of turning
What happens if turning increases in kinesis?
The organism favours that environment
What can kinetic responses be measured by?
Use of woodlice in choice chamber
