The suffix - "idae" is used for

Options

A. Species
B. Family
C. Class
D. Genus

Answer

To answer the question regarding the suffix "-idae," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Taxonomy**: Taxonomy is the science of classification of living organisms. It involves several hierarchical levels, starting from broad categories to more specific ones.

2. **Identifying Taxonomic Ranks**: The taxonomic ranks, in order from the broadest to the most specific, are:
- Kingdom
- Phylum (or Division for plants)
- Class
- Order
- Family
- Genus
- Species

3. **Focus on the Family Level**: The question specifically asks about the suffix "-idae." In biological classification, the family is a crucial rank that groups together related genera (plural of genus).

4. **Suffix Usage**: The suffix "-idae" is used to denote families, particularly in the classification of animals. For example, the family of houseflies is called "Muscidae," where "-idae" signifies that it is a family.

5. **Examples**:
- For animals: "Muscidae" (houseflies), "Felidae" (cats).
- For plants, a different suffix is often used, such as "-aceae" (e.g., "Rosaceae" for roses).

6. **Conclusion**: Therefore, the correct answer to the question is that the suffix "-idae" is used for naming families in the classification of animals.

### Final Answer:
The suffix "-idae" is used for naming families in the classification of animals.

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