First mammals were :

Options

A. Human
B. apes
C. Monkeys
D. Shrews

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the identity of the first mammals. It is important to clarify what is meant by "first mammals" in terms of evolutionary history.

2. **Identifying Key Information**: From the transcript, we learn that the first mammals appeared approximately 178 million years ago. This period is significant in the context of mammalian evolution.

3. **Recognizing the First Mammals**: The transcript mentions "Shoe's like animals" and refers to them as the first mammals. This indicates that these early mammals had specific characteristics that distinguished them from other animals of their time.

4. **Scientific Classification**: The transcript further mentions "Morganocodontids," which is a group of early mammals that are considered to be among the first mammals. This classification helps in understanding the evolutionary lineage.

5. **Conclusion**: Based on the information provided, the first mammals can be identified as "Morganocodontids," which are described as shoe-like mammals that existed around 178 million years ago.

6. **Final Answer**: The first mammals were Morganocodontids.

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