Ecologists study the relationships and interactions between living organisms- including plants, animals, fungi, and humans-and their physical environments. Their focus is on understanding how these organisms interact with each other and with abiotic factors like weather, soil, and geography to form functioning ecosystems
. They investigate ecological processes such as energy flow, nutrient cycling, population dynamics, and how ecosystems respond to natural and human-induced changes. This includes studying ecosystems of all sizes, from microbial communities to entire landscapes and the biosphere
. Ecologists work at various levels, including individual organisms, populations, communities, and ecosystems, examining how these levels influence each other and how external factors like climate change or invasive species impact them
. Their work often involves field research, data analysis, modeling, and communicating findings to inform conservation, environmental management, and public policy aimed at protecting biodiversity and sustaining natural resources
. In summary, ecologists study the complex interactions within ecosystems to understand and protect the natural world and its processes