Final answer:
An ecosystem is a unit of nature that consists of all the biotic and abiotic factors in an area and their interactions. Abiotic factors like temperature, rainfall, soil quality, and wind play a crucial role in shaping ecosystems. Ecosystems can be found in various environments such as lakes, forests, and deserts.
Step-by-step explanation:
An ecosystem is a unit of nature and the focus of study in ecology. It consists of all the biotic and abiotic factors in an area and their interactions.
Ecosystems can vary in size and can be found in various environments such as lakes, forests, and deserts. Abiotic factors like temperature, rainfall, soil quality, and wind can influence the composition and dynamics of ecosystems.