The egg cell measuring about 17 cm `xx`13cm is most likely that of:

Options

A. Humming Bird
B. Hen
C. Elephant
D. Ostrich

Answer

To determine which organism has an egg cell measuring about 17 cm by 13 cm, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Size of the Egg Cell**:
- The egg cell in question measures 17 cm by 13 cm. This is a significant size for a single cell.

2. **Identify the Largest Egg Cell**:
- Among all organisms, the ostrich is known to have the largest egg. It is important to note that the egg of the ostrich is not only large but is also considered a single cell.

3. **Compare with Other Options**:
- The other options provided (hummingbird, elephant) do not have egg cells that reach the size of 17 cm by 13 cm. For example, the eggs of birds like hummingbirds are much smaller.

4. **Conclude with the Correct Answer**:
- Given that the ostrich egg is the largest known egg cell, we conclude that the egg cell measuring 17 cm by 13 cm is most likely that of an ostrich.

### Final Answer:
The egg cell measuring about 17 cm by 13 cm is most likely that of an **ostrich**.

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