Organismal theory was proposed by

Options

A. Van Mohl
B. Sachs
C. Virchow
D. Haberlandt

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the proponent of the organismal theory, which is related to the concept of organisms as the basic unit of life.

2. **Identifying the Options**: The options given are:
- A. Von Maul
- B. Sage
- C. Vercoe
- D. Humberland

3. **Recalling Relevant Information**: The organismal theory states that even multicellular organisms are considered the basic unit of life. This theory emphasizes that the entire organism functions as a single unit.

4. **Identifying the Correct Scientist**: The video transcript mentions that the organismal theory was proposed by a scientist named Satch.

5. **Selecting the Answer**: Based on the information provided, the correct answer to the question is option B, Satch.

6. **Final Answer**: Therefore, the organismal theory was proposed by Satch.

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