Rhythms Flashcards
0
Q
List 3 examples of photoperiodism
A
Germination - germinate in spring
Growth - stop growing over winter
Reproduction (flowering) - certain times of year
1
Q
What is photoperiodicity/ photoperiodism?
A
The response of a plant that changes as day length changes. It is most noticeable in places where day length varies significantly through out
2
Q
What is a circadian rhythm?
A
A pattern of behaviour that changes over a 24 hour period.
3
Q
What are circadian rhythms controlled by?
A
An internal biological clock. External factors such as day and night help to match the clock to changes in the environment.
