Population growth: Their shape helps them swim efficiently, avoiding predators. Population growth: Their...

Population growth: Their shape helps them swim efficiently, avoiding predators.
Population growth: Their shape helps them stay stable in calm water, increasing survival.
Population struggle: Their shape makes swimming difficult, leading to lower survival.
Moderate growth: Their speed helps them survive, but they are not perfectly adapted.
1. Streamlined fish have an 85% survival rate in fast-moving water.
2. Streamlined fish have a 50% survival rate in slow-moving water.
3. Rounded fish have an 80% survival rate in slow-moving water.
4. Rounded fish have a 40% survival rate in fast-moving water.