Herbivores eat plants, algae, and other producers. They are at the second trophic level. In a grassland ecosystem, deer, mice, and even elephants are herbivores. They eat grasses, shrubs, and trees. In a desert ecosystem, a mouse that eats seeds and fruits is a primary consumer.
Physical capital is fixed capital, any kind of real physical asset that is not used up in the production of a product. Usually the value of land is not included in physical capital as it is not a reproducible product of human activity.n economic theory, physical capital is one of the three primary factors of production, also known as inputs in the production function. The others are natural resources (including land), and labor â the stock of competences embodied in the labor force.
Product Code: KEP-103. Human resources describe the human work effort, both physical and mental, used in the production of goods and services. Human resources are one of the three basic productive resources: natural, human, and capital. Human resources, like the other productive resources, are considered scarce.That is, human resources are not freely available in unlimited quantities. This is why producers must pay wages and salaries to obtain the human resources they need to produce goods and services.roduct Code: KEP-103. Human resources describe the human work effort, both physical and mental, used in the production of goods and services. Human resources are one of the three basic productive resources: natural, human, and capital. Human resources, like the other productive resources, are considered scarce.