Yes. Plants need rain for water.
rain helps plants because it just does!
by feeding the plants
it is to help keep all the plants watered basically.
Their plants could get water even if it didn't rain.
Waters plants. Refills aquifers. Prevents falling water table.
Plants with their root systems help prevent the surrounding soil from being washed away.
Temperatures and rainfall help determine which animals, plants, and insects you will find in a tropical rain forest. Each species uses the environmental conditions to its benefit.
Plants and trees take in carbon dioxide and release oxygen and so help clean the air.
The rain water is very useful for growth of plants because it is mostly unpolluted and also leaching of salts takes place in the vecinity of plants.
No there are many many plants in a rain forest.
Not only does rain help, but also ground water!
Succulent plants and cacti need to store as much water whenever the rain should happen to fall. As the rain may be far between in desert areas, storing water is vital to help the plants to survive.