What is a natural system of classification?

The natural system of classification:

1. The natural system of classification is a method that analyses the parallels and differences in the number of characters under consideration.
2. This type of classification is based on the relationship between the common ancestor and descendants.
3. The traits that are constantly moving from one generation to another are considered.
4. Bentham and Hooker proposed this type of classification.
5. Some of the examples of the traits include; morphological characteristics, physiological characteristics, anatomical, reproduction, cytological, and others.
6. Such features help in comparing the similarities and dissimilarities between the organisms.
7. Homological traits are also taken into consideration in several different organisms.
8. For example, the forelimb in humans, helps in eating and grasping, whereas the forelimbs of birds are modified as wings to help in flight.