What type of nutrients are primarily derived from plant materials in animal diets?

The correct answer is focused on the essential role that carbohydrates and fiber play in animal diets, particularly as they are derived mainly from plant sources.

Carbohydrates are a significant energy source for animals and are found in various plant materials, including grains, fruits, and vegetables. They are crucial for normal metabolic function, providing the energy necessary for everyday activities.

Fiber, while not a direct energy source, is also derived from plant materials and is important for digestive health. It aids in the proper functioning of the gastrointestinal tract and helps prevent issues such as constipation by promoting regular bowel movements. Additionally, fiber can support a healthy gut microbiome, which is beneficial for overall health in animals.

While fats and oils, minerals and vitamins, and antioxidants and phytochemicals contribute to an animal's dietary needs, they are not primarily derived from plant materials in the same manner. Fats and oils can come from both plant and animal sources. Minerals and vitamins may also be obtained from a variety of sources, including animal products. Antioxidants and phytochemicals, while often present in plant foods, are more specific compounds rather than broad categories of nutrients necessary for basic energy and digestive health.

Thus, the emphasis on carbohydrates and fiber highlights their primary role