nearly ______ percent of all insects are phytophagous.

Options

A. 0.1
B. 0.25
C. 0.4
D. 0.65

Answer

To solve the question regarding the percentage of all insects that are phytophagous, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term "Phytophagous":**
- Phytophagous insects are those that feed on plants. This includes various types of insects that consume plant material, which can lead to damage in crops and other vegetation.

2. **Identify the Percentage of Phytophagous Insects:**
- According to the information provided, it is stated that nearly 0.25% of all insects are phytophagous. This means that out of all the insects present in the environment, a small fraction is involved in feeding on plants.

3. **Confirm the Data:**
- The video transcript confirms that phytophagous insects account for 0.25% of the total insect population. This is a specific figure that highlights the proportion of insects that are categorized as phytophagous.

4. **Final Answer:**
- Therefore, the answer to the question "nearly ______ percent of all insects are phytophagous" is **0.25%**.