The process by which plants make their own food is called photosynthesis.
- Photosynthesis:
Photosynthesis is the process through which green plants, algae, and some bacteria convert sunlight, water, and carbon dioxide into glucose and oxygen. This process is vital for the survival of plants and the overall ecosystem.
- Key Steps:
1. Light Absorption: Plants have specialized cells called chloroplasts that contain chlorophyll, a pigment that absorbs sunlight.
2. Water Uptake: Roots of plants absorb water from the soil and transport it to the leaves.
3. Carbon Dioxide Intake: Plants take in carbon dioxide from the air through small openings called stomata on their leaves.
4. Photosynthetic Reactions: In the chloroplasts, light energy is used to convert water and carbon dioxide into glucose and oxygen.
5. Glucose Production: Glucose is a type of sugar that plants use as food for growth and energy.
6. Oxygen Release: Oxygen, a byproduct of photosynthesis, is released into the atmosphere through the stomata.
- Importance:
Photosynthesis is crucial for the balance of oxygen and carbon dioxide in the atmosphere. It is the primary source of energy for plants, which serve as the foundation of the food chain. Additionally, photosynthesis plays a significant role in the production of oxygen that humans and other animals need to breathe.
In conclusion, photosynthesis is a complex yet essential process that allows plants to create their own food, supporting life on Earth.

The process by which plant make their own food by the use of sunlight, water and carbon dioxide is called photosynthesis