Which one is the best definition of an ecosystem

The best definition I can think of for an ecosystem is that an ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows.

Explanation:

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.