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Sun is called the ultimate source of energy for all living organisms. Comments.
How is sunlight used by the plant for photosynthesis?
What are stomata? Explain their function.
How do plants obtain the raw materials from the surroundings?
What is the cell membrane?
What are nutrients?
How humans and animals are directly or indirectly dependent on plants.
What is Symbiosis? What is Symbiotic relationship?
Why do we need food?