Organism (noun)

1. A living thing, such as a plant, animal, fungus, or bacterium.
2. A complex structure consisting of interconnected parts that work together in a coordinated way to perform a specific function or activity.

Origin:

Mid 19th century: from german organismus, from greek organon 'instrument' (with reference to the body being regarded as an instrument of the soul), + -ism.

Examples:

1. The new species of organism was discovered in the deep sea.
2. The ecosystem is made up of many different types of organisms.
3. The human organism is a complex system of organs, tissues, and cells.
4. The newly discovered organism is capable of producing its own light.
5. The organism's ability to adapt to its environment is crucial for survival.