1. Take two cups with soil.
2. Take a handful of mustard seeds in the first cup and only four mustard seeds in the second cup.
3. Pour equal amount of water daily and observe them regularly for 15 days.
Observations:
1. Numerous plants germinated in the first cup. They do have not enough space to grow freely. They are also not getting sufficient nutrients and water to grow. The plants present in the first cup are not healthy.
2. In the second cup, the four mustard seeds germinated into new plants. They have enough space, water and nutrients to grow. They are healthy.
Inference:
All the plants try to spread their seeds to distant places to increase the chances of survival and propagation. So, they adopt different methods to disperse their seeds. It occurs with the help of different agents.
