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-by-Step Solution:

1. **Understanding Growth Measurement**:
- Growth in living systems can be quantified, which means we can measure it in numerical terms. This allows for comparisons between different organisms or different conditions.

2. **Absolute Growth Rate**:
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