Identified the correct statement from the following with reference to Amphibians :-
(1) They have internal fertilisation and development is direct.
(2) Amphibian skin is moist and without scales
(3) Their body is divisible into head and trunk
(4) They have three chambered heart
Select the correct answer :-

Options

A. 1 and 4
B. 1 and 2
C. 2, 3 and 4
D. 4 alone

Answer

To solve the question regarding the correct statements about amphibians, we will evaluate each option provided in the question step by step.

### Step 1: Evaluate the First Statement
The first statement is: "They have internal fertilization and development is direct."
- **Analysis**: Amphibians typically exhibit external fertilization, where eggs are laid in water and fertilized externally. Additionally, their development is generally indirect, involving a larval stage (like tadpoles in frogs).
- **Conclusion**: This statement is **incorrect**.

### Step 2: Evaluate the Second Statement
The second statement is: "Amphibian skin is moist and without scales."
- **Analysis**: Amphibians are known for their moist skin, which is crucial for respiration and hydration. They do not have scales, which distinguishes them from reptiles.
- **Conclusion**: This statement is **correct**.

### Step 3: Evaluate the Third Statement
The third statement is: "Their body is divisible into head and trunk."
- **Analysis**: Amphibians have a body structure that is indeed divided into a distinct head and trunk, which is a characteristic feature of their anatomy.
- **Conclusion**: This statement is **correct**.

### Step 4: Evaluate the Fourth Statement
The fourth statement is: "They have a three-chambered heart."
- **Analysis**: Most amphibians possess a three-chambered heart, which consists of two atria and one ventricle. This structure allows for some mixing of oxygenated and deoxygenated blood.
- **Conclusion**: This statement is **correct**.

### Step 5: Summarize the Findings
- First statement: Incorrect
- Second statement: Correct
- Third statement: Correct
- Fourth statement: Correct

### Step 6: Identify the Correct Answer
From the analysis, the correct statements are the second, third, and fourth. Therefore, the correct answer is the option that includes these statements.

### Final Answer
The correct answer is **Option 3**: "Second, Third, and Fourth statements are correct."

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