predator-prey造句怎么写

Biologists speculate that the mostly likely cause was a shift in Pacific Ocean currents, But food availability, changing river conditions and predator-prey relationships could be affecting the fish.

A system of retarted functional differential equations as a predator-prey model with stage structure and dispersion is discussed. Conditions for global stability of the system are given.

But he thinks other pitcher plant processes - predator-prey interactions, mutually beneficial species, the effects of disturbance - are found across ecosystems.

This paper discusses the state of Hopf bifurcation in a predator-prey system when parameter varies in some field, and analyzes the stability of the system.