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.
This increase in productivity occurs everywhere that physical capital is used to produce goods and services. The total amount of goods and services that are produced within the economy are then counted in the GDP, or gross domestic product.or Teachers for Schools for Companies. This lesson explains what physical capital is and why it's important to an economy. Using real-world examples, you'll see how it relates to the process of producing goods and services, which is a major foundation of economic growth.