Storing nutrition and keeping warm, A good example would be walruses since they have no fur to keep warm
Answer:
Food, substance consisting essentially of protein, carbohydrate, fat, and other nutrients used in the body of an organism to sustain growth and vital processes and to furnish energy. The absorption and utilization of food by the body is fundamental to nutrition and is facilitated by digestion.
Immune and reproductive i think
Answer: Both require A) Acceptance from the scientific community. B) Extensive amounts of valid evidence supporting the law and theory.
Explanation:
