Explanation:

The system of classification used by Linnaeus was an artificial system.

Definition of an Artificial System:
An artificial system of classification is based on arbitrary characteristics chosen by the taxonomist for convenience. It does not reflect the natural relationships among organisms. The classification is based on a limited number of easily observable and measurable traits or characteristics.

Explanation:
Linnaeus developed his system of classification during the 18th century. His system was primarily based on the morphological characteristics of organisms. He classified organisms based on their observable features such as the number and arrangement of floral parts in plants, or the presence or absence of certain anatomical features in animals.

Characteristics of Linnaean Classification:

1. Binomial Nomenclature: Linnaeus introduced the use of binomial nomenclature, which assigns a unique two-part scientific name to each species. The first part indicates the genus, and the second part indicates the species. This system of naming is still used today.

2. Artificial Key: Linnaeus also developed an artificial key, known as a dichotomous key, to assist in the identification and classification of organisms. This key consists of a series of paired statements that help in determining the identity of an organism based on its characteristics.

3. Grouping of Organisms: Linnaeus classified organisms into hierarchical categories or taxa. The hierarchy starts with kingdom, followed by phylum, class, order, family, genus, and species. Each category represents a progressively smaller group of organisms with increasing similarity.

4. Based on Morphological Characters: The classification system developed by Linnaeus was primarily based on the morphological characteristics of organisms. He focused on external features such as shape, size, and structure to group organisms.

Advantages and Disadvantages of an Artificial System:

Advantages of an artificial system of classification include:

- Easy to use and understand
- Useful for identification purposes
- Provides a framework for organizing and studying organisms

Disadvantages of an artificial system of classification include:

- Does not reflect the true evolutionary relationships among organisms
- Ignores genetic and molecular similarities
- May result in inconsistencies and inaccuracies when new information is discovered

Overall, while Linnaeus' classification system was an important development in the field of taxonomy, it is considered artificial because it does not reflect the true evolutionary relationships among organisms.

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