Explanation: Animal social behavior, the suite of interactions that occur between two or more individual animals, usually of the same species, when they form simple aggregations, cooperate in sexual or parental behavior, engage in disputes over territory and access to mates, or simply communicate across space.
<span><span>Lipids are the class of organic compounds that stores energy as fat</span>.
The answer is Lipids.
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You can further understand a text if you ask questions.
Nitrogen and Oxygen make up the greatest percentage of the atmosphere.
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