This series includes the difference table between
- Habitat and Niche
- Autochthonous and Allochthonous
- Neuston and Pleuston
| Habitat | Niche |
| A habitat is an ecological or and evironmental area that is inhabitaed by a particular animal, plant or other types of organisms. | A niche is a term describing the role and position of a species in its environment. |
| Habitat is made up of physiological factors and biotic factors. | A niche is introduced all interactions with the biotic and abiotic factors. |
| It is mainly a geographical area with different kinds of organisms. | It mainly describes how an organism meets all physiological needs. |
| It is emphasized on ecological area. | It emphasizes on the function of an organism. |
| Autochthonous | Allochthonous |
| Autochthonous microorganisms are permanent members of a given ecosystem. | Allochthonous microorganisms are foreign members of a given ecosystem |
| Capable of survive, grow in a given ecosystem. | Can not grow in the given ecosystem. |
| They are not transient members. | They are transient members. |
| Organisms dont show wide variety. | Organisms show a great variation. |
| Neuston | Pleuston |
| The uppermost layer of hydrosphere. | The uppermost layer of marine ecosphere. |
| It is the surface microlayer between hydrosphere and atmosphere. | It is the surface microlayer between marine ecosphere and atmosphere. |
