What are the two ways by which quantitative comparision between the growth of living system can be made?

Explanation

To answer the question regarding the two ways by which quantitative comparison between the growth of living systems can be made, we can follow these steps:

### Step 1: Define Absolute Growth Rate
The first method to measure growth quantitatively is the **absolute growth rate**. This refers to the total growth of a living organism measured over a specific unit of time.

### Step 2: Calculate Absolute Growth Rate
To calculate the absolute growth rate, one would measure the total increase in size, weight, or volume of the organism over a defined time period. For example, if a plant grows from 10 cm to 15 cm in a week, the absolute growth rate would be 5 cm per week.

...