Plants detect and respond to the daily cycle of light and darkness.
All plants are of bush type.
Bushes detect and respond to the daily cycle of light and darkness.
what detects and responds to the daily cycle of light and darkness?

(1) fens
(2) apples
(3) oxygen
(4) Oak
(5) gravity
(6) amoeba
(7) earth's rotation
(8) bushes