What is abiotic and what is biotic

Abiotic refers to non-living factors in an ecosystem, such as temperature, rainfall, soil type, and sunlight. Biotic refers to living factors in an ecosystem, such as plants, animals, fungi, and bacteria.

Is a tree biotic or abiotic?

A tree is considered biotic because it is a living organism. It is made up of cells, grows, reproduces, and responds to its environment.

What about oxygen

Oxygen is a gas that is part of the Earth's atmosphere and is considered an abiotic factor. It is essential for the survival of living organisms, but since it is a non-living substance, it falls under the category of abiotic factors.