Fact 1: Aplant requires water to grow.

Fact 2: First flowering plants appear.

Given the two facts above, answer the question "Flowers require" with the following options: 
- water to grow
 - Electrical energy
 - sunlight
 - water to excrete waste in
 - water to reproduce in
 - flow of electrons
 - genetic diversity
 - water to take root in


 

 water to grow        