Measurement and the comparison of total growth per unit time is known as

Options

A. Absolute growth rate
B. Relative growth rate
C. Both ( a) and (b)
D. None of these

Answer

To solve the question "Measurement and the comparison of total growth per unit time is known as", we can follow these steps:

### Step 1: Understand the Terms
- **Growth Rate**: This refers to the increase in size or mass of an organism over a specific period.
- **Total Growth**: This indicates the overall increase in size or mass without considering any specific parts or segments.

### Step 2: Identify the Types of Growth Rate
- **Absolute Growth Rate**: This is the total growth measured over a unit of time. It reflects the overall increase in size or mass of the entire organism.
- **Relative Growth Rate**: This refers to the growth rate of a specific part or organ of an organism, often expressed as a percentage of the initial size.

### Step 3: Analyze the Question
The question specifically asks for the measurement and comparison of total growth per unit time. This aligns with the definition of absolute growth rate.

### Step 4: Conclude
Based on the definitions and the analysis, the correct answer to the question is **Absolute Growth Rate**.

### Final Answer
The measurement and comparison of total growth per unit time is known as **Absolute Growth Rate**.

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