pack 24 survival and response incomplete Flashcards
(4 cards)
1
Q
what is a stimulus
A
a detectable change in the internal or external environment of an organism, that produces a response.
2
Q
give 3 examples of stimuli in plant and animals
A
plant- light gravity and water
animals - light, sound, chemicals and pressure
3
Q
what is a tropism
A
is a plants growth response to an external, directional stimulus.
if growth is towards the stimulus it is a positive response vice vera.
4
Q
look at table in booklet
A
do it page 4
