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Levels of biological organization

All of life and where it lives, the global ecosystem
A membrane bound structure with a specialized function within a eukaryotic cell
A group of organs that work together in performing vital body functions
A structure consisting of 2 or more tissues that coordinate to perform specific functions
An individual living thing, such as a bacterium, fungus, protist, plant, or animal
The basic unit of live, contained in a plasma membrane
A group of two or more atoms held together by covalent bonds
All the organisms inhabiting and potentially interacting in a particular area
A group of interacting individuals belonging to one species and living in the same geographic acrea
All the organisms along with the nonliving factors in a given area
The smallest unit of matter that retains the properties of an element
A group of similar cells that performs a specific function in a multicellular organism