Answer :
Final answer:
Living organisms require energy for activities, animals have various modes of nutrition, chlorophyll assists in photosynthesis, and symbiosis refers to a mutually beneficial relation.
Explanation:
Living organisms need energy to carry out various activities. Different animals have different modes of nutrition. Leaves contain a green pigment called chlorophyll. An adequate amount of energy is required for photosynthesis. A mutually beneficial relation is called symbiosis.
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