Answer:
well-defined soil, climate, vegetation, and fauna (or communities) and can adapt to, and change with, changes in the external environment
Step-by-step explanation:
What is an Ecosystem:
An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the system through photosynthesis and is incorporated into plant tissue
An ecosystem is made up of all of the living and nonliving things in an area. This includes all of the plants, animals, and other living things that make up the communities of life in an area. An ecosystem also includes non living materials—for example, water, rocks, soil, and sand.