What is the number of extinct species documented by the IUCN Red List( as per 2004 ) in the last 500 years ?
1)338
2)359
3)2000
4)784

Options

A. 338
B. 359
C. 2000
D. 784

Answer

To solve the question about the number of extinct species documented by the IUCN Red List as of 2004, we can follow these steps:

### Step 1: Understand the Question
We need to find out how many species have been documented as extinct by the IUCN Red List in the last 500 years, specifically as of the year 2004.

### Step 2: Recall Relevant Information
From the information provided, we know that the IUCN Red List is a comprehensive inventory of the global conservation status of biological species. It categorizes species based on their risk of extinction.

### Step 3: Identify the Number of Extinct Species
According to the video transcript, the number of extinct species documented by the IUCN Red List in 2004 is stated to be 784. This includes:
- 338 vertebrates
- 359 invertebrates
- 87 plants

### Step 4: Select the Correct Answer
Based on the information gathered, the correct answer to the question is option 4, which is 784.

### Final Answer
The number of extinct species documented by the IUCN Red List as per 2004 in the last 500 years is **784**.

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