Do Organisms Need Light?

Light, the essence of life itself. ... Light is the main source of energy for all living organisms. Plants, main sustainers of life, are crucial in this conversion process and need light for photosynthesis that enables them to make their own food and food for others.

Can organisms live without sunlight?

Without sunlight, plants could not survive.

The next level of the food chain is made up of herbivores, animals that eat plants. Since herbivores depend on plants to survive, herbivores could not survive without sunlight. Most of the rest of the food chain is made up of carnivores, animals that eat animals.

What will happen to all organism without sunlight?

Without the Sun's rays, all photosynthesis on Earth would stop. All plants would die and, eventually, all animals that rely on plants for food — including humans — would die, too.