Which of the following organisms exhibits hemimetabolous development?

Options

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

Answer

To determine which organism exhibits hemimetabolous development, we can follow these steps:

### Step 1: Understand Hemimetabolous Development
Hemimetabolous development, also known as incomplete metamorphosis, involves three main stages: egg, nymph, and adult. Importantly, there is no pupal stage in this type of development.

### Step 2: Identify the Stages
- **Egg**: The initial stage where the organism starts its life.
- **Nymph**: The immature form that resembles the adult but is usually smaller and lacks fully developed wings and reproductive organs.
- **Adult**: The fully developed organism capable of reproduction.

### Step 3: Compare with Other Types of Metamorphosis
In contrast, organisms that undergo complete metamorphosis (holometabolism) have four stages: egg, larva, pupa, and adult. For example, butterflies and moths go through a pupal stage, which disqualifies them from being hemimetabolous.

### Step 4: Identify Organisms that Exhibit Hemimetabolous Development
Common examples of organisms that exhibit hemimetabolous development include:
- Cockroaches
- Grasshoppers
- Crickets

### Step 5: Conclusion
Among the organisms listed, the cockroach is a prime example of an organism that exhibits hemimetabolous development due to the absence of a pupal stage.

### Final Answer
The organism that exhibits hemimetabolous development is the **cockroach**.

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