Which of the following organisms exhibits hemimetabolous development?

Options

A. Cockroach
B. Bed bug
C. Lice
D. May flies

Answer

To determine which organisms exhibit hemimetabolous development, we need to understand what hemimetabolous development entails. Here’s a step-by-step solution:

### Step 1: Understand Hemimetabolous Development
Hemimetabolous development, also known as paurometabolous development, involves three distinct stages:
1. **Egg Stage**: The organism starts its life as an egg.
2. **Nymph Stage**: After hatching, the organism enters the nymph stage, which resembles a smaller version of the adult but lacks fully developed wings and reproductive organs.
3. **Adult Stage (Imago)**: The final stage is the adult form, which is capable of reproduction.

### Step 2: Identify Key Characteristics
- There is **no pupal stage** in hemimetabolous development, which distinguishes it from holometabolous development (where a pupal stage is present).
- Organisms that undergo this type of development typically include insects that are more primitive in their life cycles.

### Step 3: List Common Organisms with Hemimetabolous Development
Common examples of organisms that exhibit hemimetabolous development include:
- **Cockroach**
- **Termites**
- **Grasshoppers**
- **Locusts**
- **Crickets**

### Step 4: Conclusion
Based on the understanding of hemimetabolous development and the examples provided, the organisms that exhibit hemimetabolous development are:
- Cockroach
- Termites
- Grasshoppers
- Locusts
- Crickets

### Final Answer
The organisms exhibiting hemimetabolous development are **cockroach, termites, grasshoppers, locusts, and crickets**.

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