taxes and kinesis Flashcards
1
Q
stimulus definition
A
a physical or chemical change in the environment which brings about a response in an organism
2
Q
examples of external stimuli
A
temperature, light intensity, predators
3
Q
examples of internal stimuli
A
temperature, water potential, co2 conc, glucose conc, pH
4
Q
response definition
A
a reaction to a change in stimulus that increases the organisms chance or survival
5
Q
taxes definition
A
a directional movement in response to a stimulus
6
Q
kinesis definition
A
non-directional movement in response to a stimulus
