In birds and fish , an order ends in

Options

A. `-`agles
B. `-`a
C. `-`formes
D. `-"idae"`

Answer

To solve the question "In birds and fish, an order ends in," we will analyze the provided options step by step.

### Step-by-Step Solution:

1. **Understand the Concept of Order**:
- An order is a taxonomic rank that groups together related families. It exhibits a few similar characteristics among the families it includes.

2. **Examine the Options**:
- The options given are:
- A) Ales
- B) A
- C) Forms
- D) Edi

3. **Identify the Correct Suffix for Birds and Fish**:
- In biological classification, specific suffixes are used for different taxonomic ranks.
- For birds, the order often ends with "formes." For example, the order of falcons is called "Falconiformes."
- For fish, the order also ends with "formes." An example is "Semionotiformes."

4. **Evaluate Each Option**:
- A) Ales: This suffix is not typically used for birds or fish orders.
- B) A: This is a suffix used for phylum, not for orders.
- C) Forms: This is the correct suffix used for both birds and fish orders.
- D) Edi: This suffix is used for family classification, not for orders.

5. **Conclusion**:
- The correct answer is **C) Forms**, as both birds and fish orders end with this suffix.

### Final Answer:
The correct option is **C) Forms**.

---