Aristotle classified animals in two groups on the basis of presence of absence of RBC. The group which does not have RBCs is

Options

A. Anaima
B. Enaima
C. Ovipera
D. Vivipera

Answer

**Step-by-Step Solution:**

1. **Understanding Aristotle's Classification**: Aristotle was one of the first scientists to classify living organisms. He categorized animals based on specific characteristics, one of which was the presence or absence of red blood cells (RBCs).

2. **Identifying the Groups**: According to Aristotle, animals can be divided into two main groups:
- **Enema**: This group includes animals that do not have red blood cells (RBCs).
- **Anaima**: This group includes animals that possess red blood cells (RBCs).

3. **Analyzing the Options**: The question provides four options: Anaima, Anaima (repeated), Oviperi, and Viviperi. We need to identify which of these corresponds to the group without RBCs.

4. **Determining the Correct Group**: Based on Aristotle's classification:
- The group that does not have RBCs is **Enema**. This group typically includes invertebrates such as sponges and insects.

5. **Conclusion**: Therefore, the correct answer to the question is **Enema**, which refers to animals that lack red blood cells.

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