Group having amniotes only is

Options

A. Bufo, Fish, Frog
B. Frog, Fowl, Human
C. Wolf , Fowl, Rabbit
D. fish, Frog, Fowl.

Answer

To solve the question "Group having amniotes only is," we need to identify which of the provided options contains only amniotes. Here’s the step-by-step solution:

### Step 1: Understand Amniotes
Amniotes are a group of animals that lay eggs on land or retain the fertilized egg within the mother. This group includes reptiles, birds (aves), and mammals. They are characterized by the presence of an amniotic egg, which has protective membranes.

### Step 2: Analyze the Options
We need to evaluate each option to determine if it contains only amniotes.

1. **Option 1: Bufo, Fish, Frog**
- **Bufo**: A genus of toads, which are amphibians (non-amniotes).
- **Fish**: Non-amniotes.
- **Frog**: Also an amphibian (non-amniote).
- **Conclusion**: This option contains non-amniotes. **(Incorrect)**

2. **Option 2: Frog, Fowl, Human**
- **Frog**: An amphibian (non-amniote).
- **Fowl**: Birds (amniotes).
- **Human**: Mammals (amniotes).
- **Conclusion**: This option contains non-amniotes (frog). **(Incorrect)**

3. **Option 3: Wolf, Fowl, Rabbit**
- **Wolf**: A mammal (amniote).
- **Fowl**: Birds (amniote).
- **Rabbit**: A mammal (amniote).
- **Conclusion**: This option contains only amniotes. **(Correct)**

4. **Option 4: Fish, Frog, Fowl**
- **Fish**: Non-amniotes.
- **Frog**: Non-amniotes.
- **Fowl**: Birds (amniote).
- **Conclusion**: This option contains non-amniotes (fish and frog). **(Incorrect)**

### Step 3: Final Conclusion
After analyzing all the options, we find that **Option 3: Wolf, Fowl, Rabbit** is the only group that contains only amniotes.

### Answer
The correct answer is **Option 3: Wolf, Fowl, Rabbit**.

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