Which characterisic of life destinguishes a fire and a flowering plant

The correct answer from the options is Growth.

Explanation:

There are seven basic characteristics of life which separate living things from non - living things.

Growth is one of the characteristics which separate a living thing from a non - living thing. The plants use essential macromolecules for growing. The fire will not have macromolecules to grow. Hence, growth is the option that is correct.

Other options like defined boundary are incorrect because both plants and animals have a defined boundary.