What is common among scorpion, crab, honeybee and silverfish ?

Options

A. Poison glands
B. Jointed appendages
C. Metamorphosis
D. Compound eyes

Answer

To determine what is common among scorpion, crab, honeybee, and silverfish, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organisms**:
- We have four organisms: scorpion, crab, honeybee, and silverfish.

2. **Classify the Organisms**:
- All four belong to the Phylum Arthropoda. This phylum includes invertebrates with jointed limbs and segmented bodies.

3. **Examine the Characteristics of Arthropoda**:
- Arthropods are characterized by having:
- A chitinous exoskeleton.
- Jointed appendages.
- A segmented body.
- An open circulatory system.
- Bilateral symmetry.

4. **Check the Options Provided**:
- The options given are:
- A) Poison glands
- B) Jointed appendages
- C) Metamorphosis
- D) Compound eyes

5. **Analyze Each Option**:
- **Poison glands**: Present in scorpions but not in crabs, honeybees, or silverfish.
- **Jointed appendages**: All four organisms have jointed appendages, which is a defining characteristic of arthropods.
- **Metamorphosis**: Honeybees undergo metamorphosis, but scorpions, crabs, and silverfish do not have the same type of life cycle.
- **Compound eyes**: Present in crabs and honeybees, but not in scorpions and silverfish.

6. **Conclusion**:
- The common feature among scorpion, crab, honeybee, and silverfish is the presence of **jointed appendages**.

### Final Answer:
The common characteristic among scorpion, crab, honeybee, and silverfish is the presence of **jointed appendages**.

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