Final answer:
Pastoralism, or herding, is a form of agriculture where people care for and use domesticated herd animals. This mode of subsistence requires constant migration in search of grazing pastureland. Pastoralists have extensive knowledge of the environment and animal behavior.
Step-by-step explanation:
Pastoralism, also known as herding, is a mode of subsistence associated with the care and use of domesticated herd animals. Pastoralists move frequently in search of grazing pastureland to ensure the sustainability of their herds. They have deep knowledge and understanding of the environment, animal behavior, and the qualities associated with different species. Pastoralism is a land-extensive form of agriculture that relies on a close relationship between humans and animals.