on average, CB4857 appear to choose environments very near their optimal conditions

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**Analysis of Worm Strain Data on Temperature**

The image features two line graphs showing data for worm strains CB4857 and CB4854. Each graph represents how temperature affects both the "lifetime reproductive success" and the "intrinsic rate of increase (r)" for each strain. Additionally, a histogram illustrates the "relative number of worms" observed at each temperature.

**Graph for Strain CB4857:**
- **X-Axis (Temperature):** Ranges from 10°C to 30°C.
- **Left Y-Axis (Lifetime Reproductive Success):** Measured from 0 to 300.
- **Relative Number of Worms (Histogram):** Indicates the quantity of worms found at different temperatures.
- **Right Y-Axis (Intrinsic Rate of Increase):** Negative values near 10°C, increasing to positive around 24°C.

Strain CB4857 shows the highest lifetime reproductive success around 20.5°C, with a peak in their intrinsic rate of increase between 20°C and 25°C.

**Graph for Strain CB4854:**
- **X-Axis (Temperature):** Similar range from 10°C to 30°C.
- **Left Y-Axis (Lifetime Reproductive Success):** Measured up to 300.
- **Right Y-Axis (Intrinsic Rate of Increase):** Starts from negative values and increases as temperature rises, peaking around the temperature of 25°C.

Strain CB4854 prefers slightly higher temperatures than CB4857 for its optimum reproductive success and intrinsic rate of increase.

**Conclusion:**

Based on the analysis of both graphs, the statement that is true: *Strain CB4857 has the highest lifetime reproductive success around 20.5°C*. 

This comprehensive understanding is valuable for understanding how varying temperatures can impact the reproductive success and population growth of different worm strains.
Transcribed Image Text:**Analysis of Worm Strain Data on Temperature** The image features two line graphs showing data for worm strains CB4857 and CB4854. Each graph represents how temperature affects both the "lifetime reproductive success" and the "intrinsic rate of increase (r)" for each strain. Additionally, a histogram illustrates the "relative number of worms" observed at each temperature. **Graph for Strain CB4857:** - **X-Axis (Temperature):** Ranges from 10°C to 30°C. - **Left Y-Axis (Lifetime Reproductive Success):** Measured from 0 to 300. - **Relative Number of Worms (Histogram):** Indicates the quantity of worms found at different temperatures. - **Right Y-Axis (Intrinsic Rate of Increase):** Negative values near 10°C, increasing to positive around 24°C. Strain CB4857 shows the highest lifetime reproductive success around 20.5°C, with a peak in their intrinsic rate of increase between 20°C and 25°C. **Graph for Strain CB4854:** - **X-Axis (Temperature):** Similar range from 10°C to 30°C. - **Left Y-Axis (Lifetime Reproductive Success):** Measured up to 300. - **Right Y-Axis (Intrinsic Rate of Increase):** Starts from negative values and increases as temperature rises, peaking around the temperature of 25°C. Strain CB4854 prefers slightly higher temperatures than CB4857 for its optimum reproductive success and intrinsic rate of increase. **Conclusion:** Based on the analysis of both graphs, the statement that is true: *Strain CB4857 has the highest lifetime reproductive success around 20.5°C*. This comprehensive understanding is valuable for understanding how varying temperatures can impact the reproductive success and population growth of different worm strains.
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