| How in general are the phenomena of life related to those of the non-living world? |
| Hair is composed of non-living tissue, mostly of a fibrous protein known as keratin and is devoid of nerves. |
| The condition of an abiotic, or non-living component of the environment, such as water quality, can also serve as an indicator. |
| Stimuli were also identified as belonging either to living or non-living things. |
| Amino-acid building blocks can be produced by both living and non-living chemistry. |
| Refers to the non-living parts of the environment such as air, rock, soil, and water. |
