Answer:
A. Climax communities are the end point of the process of ecological succession, which is the gradual process by which a community of organisms changes over time in response to environmental changes or disturbances. Climax communities are characterized by the presence of species that are well adapted to the particular environmental conditions of the area, and they typically exhibit a high level of stability and self-regulation. Climax communities can be found within a variety of biomes, including grasslands, forests, and aquatic systems.
B. The characteristics of climax communities are influenced by a variety of factors, including climate, soil type, topography, and the presence or absence of certain species. For example, a climax community in a tropical rainforest is likely to be quite different from a climax community in a desert, due to the differences in temperature, humidity, and other environmental factors.
C. Cattle grazing can have a significant impact on the ecological balance between sagebrush and grasses in the American Midwest. Grazing can reduce the cover of sagebrush, which can create an opening for grasses to establish and dominate the plant community. This can result in changes to the ecosystem, including alterations in the habitat of animal species that depend on sagebrush for food or shelter. In addition, overgrazing can lead to soil erosion and other forms of environmental degradation. Proper management of grazing can help to minimize these negative impacts and maintain the ecological balance between sagebrush and grasses.
Step-by-step explanation: