Respuesta :
The part of the river that would have animals with very muscular bodies and adaptations that survive in turbulent water is the transition zone.
The correct answer is Food plain Zone.
Food plain zone is the zone in which the animals with very muscular bodies and certain adaptations are found that let these animals survive in the turbulent water.
This zone of the water has much turbulence and a animal with light body would not be able to survive and so the animals in this zone is must be fleshy.