If we accept May's global estimates, then the total species that have been recorded so far are about

Options

A. 0.3
B. 0.1
C. 0.22
D. 0.15

Answer

To solve the question regarding May's global estimates of recorded species, we can follow these steps:

### Step-by-Step Solution:

1. **Understand May's Global Estimate**: According to May's global estimates, only 22% of the total species on Earth have been recorded so far. This means that the majority of species remain undiscovered.

2. **Identify the Percentage of Recorded Species**: From the information given, we know that 22% of species have been recorded. This can be expressed as a decimal for easier calculations:
\[ 22\% = 0.22 \]

3. **Evaluate the Options Provided**: The question provides four options:
- Option 1: 0.3
- Option 2: 0.1
- Option 3: 0.22
- Option 4: 0.15

4. **Select the Correct Option**: Since we have established that 22% corresponds to 0.22, we can conclude that the correct answer is:
\[ \text{Option 3: } 0.22 \]

5. **Conclusion**: Therefore, if we accept May's global estimates, the total species that have been recorded so far are about 0.22.