Which description best matches a rat's dietary preference?

• A. Plant-based foods only
• B. Protein-based foods such as meat, fish, insects, pet food, nuts and grains
• C. Dairy products only
• D. Fruits and vegetables only

Answer: (B)

Rats are opportunistic omnivores with a taste for energy-dense, protein-rich foods. In practice, they readily raid for meat scraps, fish, insects, pet foods, nuts, and grains because these items provide both protein and calories needed for growth and activity. This makes the best descriptor one that emphasizes protein-based foods and other high-energy items, rather than restricting them to plant-based, dairy-only, or fruits-and-vegetables-only diets. The other descriptions are too narrow and don’t reflect the rat’s flexible, protein-inclusive feeding habits.