Fill in the following blanks with suitable words :
The shape of an aeroplane is similar to that of a………………..in flight.

Explanation

To fill in the blank in the statement "The shape of an aeroplane is similar to that of a __________ in flight," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Context**: We are comparing the shape of an aeroplane to something that is also capable of flight. This implies that we need to think of objects or creatures that fly.

2. **Identify Possible Candidates**: The most common flying creatures that come to mind are birds. Birds are known for their aerodynamic shapes, which allow them to fly efficiently.

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