I'd say option 4, because all of those are capable of changing the enviroment
I-what? The only thing I could think of is Parents?
Answer: MONOCOT
1) seeds with one cotyledon.
2) the plants have fibrous root system
3) leaves have parallel venation
4) the petals of flowers are trimerous(3 petals)
DICOT
1) seeds with two cotyledon.
2) the plants have taproot system.
3) leaves have reticulate venation
4) the petals of flowers are pentamerous (5 petals)
Explanation:
It binds lactose which changes its conformation so that is no longer binds to DNA. This allows the lactose operon to be transcribed.