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