The number of red list categories prepared by WCU (IUCN) is

Options

A. 6
B. 7
C. 8
D. 9

Answer

**Step-by-Step Solution:**

1. **Understanding IUCN**: The International Union for Conservation of Nature (IUCN) is an organization that focuses on the conservation of nature and the sustainable use of natural resources. It is well-known for its efforts in assessing the conservation status of species.

2. **Introduction to the Red List**: The IUCN Red List, established in 1964, is a comprehensive inventory that categorizes species based on their risk of extinction. It serves as a critical tool for conservationists and policymakers.

3. **Categories of the Red List**: The Red List is divided into various categories that reflect the conservation status of different species. These categories help in identifying species that are at risk and require conservation efforts.

4. **Listing the Categories**: The IUCN Red List has a total of **9 categories**:
- Extinct (EX)
- Extinct in the Wild (EW)
- Critically Endangered (CR)
- Endangered (EN)
- Vulnerable (VU)
- Near Threatened (NT)
- Least Concern (LC)
- Data Deficient (DD)
- Not Evaluated (NE)

5. **Conclusion**: Therefore, the number of Red List categories prepared by IUCN is **9**.

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